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Round|Lab Grown|IGI

1.71ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG786644618

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786644618

Diamond specifications and retailer prices

From $299 USD
As of October 29, 2026
Save $1,505 USD (83%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $1,804 USD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 1.71ct lab-grown round diamond

This 1.71ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG786644618 or 786644618. Listed at 27 retailers as of October 29, 2026, with prices from $299 to $1,804, a $1,505 spread on the same certified stone. Blue Nile lists it at $1,804. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786644618
Dimensions7.71 × 7.67 × 4.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.71 mm7.67 mm1.71 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786644618
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $519 USD|Low: $287 USD|High: $1,685 USD|Avg: $833 USD|+0.3%
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Retailer 19
October 29, 2026
Retailer 6$299 USD
Retailer 3$347 USD
Retailer 4$371 USD
Retailer 19$371 USD
Retailer 1$519 USD
Retailer 16$525 USD
Retailer 12$606 USD
Retailer 14$637 USD
Retailer 11$638 USD
Retailer 15$653 USD
Retailer 13$668 USD
Retailer 2$870 USD
Retailer 18$958 USD
Retailer 5$1,192 USD
Retailer 10$1,192 USD
Retailer 9$1,303 USD
Retailer 17$1,488 USD
Retailer 8$1,530 USD
Retailer 7$1,665 USD

37 data points across 19 retailers

27 retailers$299 USD to $1,804 USD

A
Cheapest Retailer
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$299 USD
A
Retailer 2
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$335 USD
View
Final sale: no returns
A
Retailer 3
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$347 USD
View
A
Retailer 4
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$371 USD
View
A
Retailer 5
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$371 USD
View
Price last confirmed 13 days ago
A
Retailer 6
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$410 USD
HK$3,200 HKD
View
B+
Retailer 7
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$500 USD
View
A
Retailer 8
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$519 USD
£409 GBP
View
A
Retailer 9
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$525 USD
View
A
Retailer 10
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$606 USD
€577 EUR
View
A
Retailer 11
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$637 USD
ZAR 10,295 ZAR
View
A
Retailer 12
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$638 USD
View
A
Retailer 13
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$653 USD
£514 GBP
View
B+
Retailer 14
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$668 USD
A$1,028 AUD
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B+
Retailer 15
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$774 USD
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B+
Retailer 16
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$870 USD
A$1,339 AUD
View
B+
Retailer 17
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$958 USD
View
B
Retailer 18
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$1,192 USD
View
B
Retailer 19
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$1,192 USD
SGD 1,611 SGD
View
B
Retailer 20
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$1,240 USD
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B
Retailer 21
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$1,303 USD
View
B
Retailer 22
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$1,426 USD
View
B
Retailer 23
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$1,488 USD
£1,172 GBP
View
B
Retailer 24
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$1,510 USD
View
B
Retailer 25
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$1,530 USD
A$2,354 AUD
View
Price last confirmed 21 days ago
B
Retailer 26
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$1,665 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Blue Nile
27349889 · Oct 29
$1,804 USD
View
26 more retailers have this diamond
Prices start from $299 USDSave up to $1,505 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.71ct Round
$299 USD