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Round|Lab Grown|IGI

1.71ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG786645351

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786645351

Diamond specifications and retailer prices

From $477 AUD
$335 USD
As of October 30, 2026
Save $1,673 AUD (78%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,947 AUD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

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 LG786645351 or 786645351. Listed at 25 retailers as of October 30, 2026, with a 351% 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
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786645351
Dimensions7.69 × 7.73 × 4.73 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
7.69 mm7.73 mm1.71 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786645351
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.3%

Caratlytics Score

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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 30
Current: $2,947 AUD|Low: $477 AUD|High: $3,032 AUD|Avg: $1,391 AUD|-2.8%
Brilliant Earth
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
October 30, 2026
Retailer 7$477 AUD
Retailer 6$494 AUD
Retailer 10$712 AUD
Retailer 8$862 AUD
Retailer 9$907 AUD
Retailer 2$934 AUD
Retailer 4$951 AUD
Retailer 12$1,239 AUD
Retailer 11$1,364 AUD
Retailer 5$1,697 AUD
Retailer 15$1,855 AUD
Retailer 13$2,128 AUD
Retailer 3$2,178 AUD
Retailer 14$2,370 AUD
Brilliant Earth$2,947 AUD

40 data points across 15 retailers

25 retailers$477 AUD to $2,149 AUD

Retailer 1
-
$426 AUD
$299 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$477 AUD
$335 USD
View
Final sale: no returns
Retailer 3
-
$494 AUD
$347 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$521 AUD
$366 USD
View
Price last confirmed 45 days ago
Retailer 5
-
$528 AUD
$371 USD
View
Price last confirmed 11 days ago
Retailer 6
-
$528 AUD
$371 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
$583 AUD
HK$3,200 HKD
View
A
Retailer 8
-
$712 AUD
$500 USD
View
B+
Retailer 9
-
$712 AUD
$500 USD
View
A
Retailer 10
-
$862 AUD
€577 EUR
View
A
Retailer 11
-
$907 AUD
ZAR 10,295 ZAR
View
B+
Retailer 12
-
$934 AUD
£517 GBP
View
B+
Retailer 13
-
$951 AUD
View
B+
Retailer 14
-
$1,102 AUD
$774 USD
View
B+
Retailer 15
-
$1,239 AUD
View
B+
Retailer 16
-
$1,364 AUD
$958 USD
View
Retailer 17
-
$1,697 AUD
$1,192 USD
View
Price last confirmed 12 days ago
B
Retailer 18
-
$1,697 AUD
SGD 1,611 SGD
View
B
Retailer 19
-
$1,765 AUD
$1,240 USD
View
B+
Retailer 20
-
$1,855 AUD
$1,303 USD
View
B
Retailer 21
-
$2,128 AUD
£1,177 GBP
View
B
Retailer 22
-
$2,149 AUD
$1,510 USD
View
Retailer 23
-
$2,178 AUD
View
Price last confirmed 22 days ago
Retailer 24
-
$2,370 AUD
$1,665 USD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
21370975A · Oct 16
$2,947 AUD
$2,070 USD
View
Price last confirmed 14 days ago
24 more retailers have this diamond
Prices start from $477 AUDSave up to $1,673 AUD

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
$477 AUD