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Round|Lab Grown|IGI

1.71ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG770636520

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770636520

Diamond specifications and retailer prices

From $299 USD
As of October 29, 2026
Save $1,211 USD (80%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $1,665 USD at Rare Carat · As of October 21, 2026
View at Rare Carat

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 LG770636520 or 770636520. Listed at 27 retailers as of October 28, 2026, with a 405% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770636520
Dimensions7.60 × 7.66 × 4.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.60 mm7.66 mm1.71 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770636520
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,665 USD|Low: $287 USD|High: $1,685 USD|Avg: $845 USD|-1.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 7$299 USD
Retailer 4$347 USD
Retailer 5$371 USD
Retailer 17$371 USD
Retailer 10$519 USD
Retailer 15$525 USD
Retailer 11$606 USD
Retailer 13$637 USD
Retailer 14$653 USD
Retailer 12$668 USD
Retailer 3$870 USD
Retailer 16$958 USD
Retailer 6$1,192 USD
Retailer 8$1,303 USD
Retailer 2$1,495 USD
Retailer 9$1,530 USD
Rare Carat$1,665 USD

32 data points across 17 retailers

27 retailers$299 USD to $1,510 USD

A
Cheapest Retailer
-
$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 10 days ago
A
Retailer 6
-
$371 USD
View
A
Retailer 7
-
$410 USD
HK$3,200 HKD
View
B+
Retailer 8
-
$500 USD
View
A
Retailer 9
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$519 USD
£409 GBP
View
A
Retailer 10
-
$525 USD
View
A
Retailer 11
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$606 USD
€577 EUR
View
A
Retailer 12
-
$637 USD
ZAR 10,295 ZAR
View
A
Retailer 13
-
$638 USD
View
A
Retailer 14
-
$653 USD
£514 GBP
View
B+
Retailer 15
-
$668 USD
A$1,028 AUD
View
B+
Retailer 16
-
$774 USD
View
B+
Retailer 17
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$870 USD
A$1,339 AUD
View
B+
Retailer 18
-
$958 USD
View
B
Retailer 19
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$1,192 USD
View
B
Retailer 20
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$1,192 USD
SGD 1,611 SGD
View
B
Retailer 21
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$1,240 USD
View
B
Retailer 22
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$1,303 USD
View
B
Retailer 23
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$1,426 USD
View
B
Retailer 24
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$1,495 USD
£1,177 GBP
View
B
Retailer 25
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$1,510 USD
View
B
Retailer 26
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$1,530 USD
A$2,354 AUD
View
Price last confirmed 28 days ago
Most Expensive
B
Rare Carat
225206365VB770 · Oct 21
$1,665 USD
View
Price last confirmed 8 days ago
26 more retailers have this diamond
Prices start from $299 USDSave up to $1,211 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