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Oval|Lab Grown|IGI

1.71ct J VS2 Oval Lab Grown Diamond

ID • J/VS2 • IGI LG450028026

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG450028026

Diamond specifications and retailer prices

From $1,253 AUD
$880 USD
As of October 29, 2026
Save $3,818 AUD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,769 AUD at MOH London · As of October 21, 2026
View at MOH London

About this 1.71ct lab-grown oval diamond

This 1.71ct lab-grown oval sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG450028026 or 450028026. Listed at 11 retailers as of October 28, 2026, with a 305% 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
J
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG450028026
Dimensions9.30 × 6.71 × 4.22 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD). Type IIa
Top View
9.30 mm6.71 mm1.71 ctJ / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG450028026
Side View
Table 58.5%Crown 36.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.9%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $7,769 AUD|Low: $1,253 AUD|High: $7,830 AUD|Avg: $4,014 AUD|+0.5%
MOH London
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
October 18, 2026
Retailer 8$1,253 AUD
Retailer 7$2,332 AUD
Retailer 12$2,538 AUD
Retailer 13$2,611 AUD
Retailer 5$2,619 AUD
Retailer 9$2,706 AUD
Retailer 14$2,947 AUD
Retailer 3$3,634 AUD
Retailer 10$4,254 AUD
Retailer 2$4,665 AUD
Retailer 11$5,071 AUD
Retailer 6$6,056 AUD
Retailer 4$7,747 AUD
MOH London$7,769 AUD

14 data points across 14 retailers

11 retailers$1,253 AUD to $5,071 AUD

A
Cheapest Retailer
-
$1,253 AUD
$880 USD
A
Retailer 2
-
$2,332 AUD
$1,638 USD
View
A
Retailer 3
-
$2,538 AUD
$1,783 USD
View
A
Retailer 4
-
$2,611 AUD
$1,834 USD
View
Final sale: no returns
Retailer 5
-
$2,706 AUD
$1,901 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$2,706 AUD
$1,901 USD
View
B+
Retailer 7
-
$2,947 AUD
$2,070 USD
View
B+
Retailer 8
-
$4,254 AUD
$2,988 USD
View
B
Retailer 9
-
$4,665 AUD
$3,277 USD
View
B
Retailer 10
-
$5,071 AUD
$3,562 USD
View
Most Expensive
MOH London
LG450028026 · Oct 21
$7,769 AUD
£4,297 GBP
View
Price last confirmed 9 days ago
10 more retailers have this diamond
Prices start from $1,253 AUDSave up to $3,818 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 Oval
$1,253 AUD