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Oval|Lab Grown|IGI

1.71ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG445037391

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037391

Diamond specifications and retailer prices

From $1,352 AUD
$950 USD
As of October 31, 2026
Save $5,406 AUD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,758 AUD at MOH London · As of October 29, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037391 or 445037391. Listed at 10 retailers as of October 29, 2026, with prices from $1,352 to $6,758, a $5,406 spread on the same certified stone. MOH London lists it at $6,758. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.71
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037391
Dimensions9.29 × 6.72 × 4.20 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.29 mm6.72 mm1.71 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445037391
Side View
Table 58.5%Crown 36.5°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 62.5%

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 31
Current: $6,758 AUD|Low: $1,352 AUD|High: $6,811 AUD|Avg: $3,135 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
October 21, 2026
Retailer 4$1,352 AUD
Retailer 2$1,804 AUD
Retailer 8$1,962 AUD
Retailer 9$2,019 AUD
Retailer 5$2,093 AUD
Retailer 11$2,906 AUD
Retailer 6$3,311 AUD
Retailer 10$3,899 AUD
Retailer 7$3,921 AUD
Retailer 3$4,682 AUD
MOH London$6,758 AUD

13 data points across 11 retailers

10 retailers$1,352 AUD to $6,758 AUD

A
Cheapest Retailer
-
$1,352 AUD
$950 USD
A
Retailer 2
-
$1,804 AUD
$1,267 USD
View
B+
Retailer 3
-
$1,962 AUD
$1,378 USD
View
B+
Retailer 4
-
$2,019 AUD
$1,418 USD
View
Final sale: no returns
Retailer 5
-
$2,093 AUD
$1,470 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$2,093 AUD
$1,470 USD
View
B
Retailer 7
-
$3,311 AUD
$2,326 USD
View
B
Retailer 8
-
$3,899 AUD
$2,739 USD
View
B
Retailer 9
-
$3,921 AUD
$2,754 USD
View
Most Expensive
B
MOH London
LG445037391 · Oct 29
$6,758 AUD
£3,738 GBP
View
9 more retailers have this diamond
Prices start from $1,352 AUDSave up to $5,406 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
$1,352 AUD