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Oval|Lab Grown|IGI

1.71ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG447002191

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447002191

Diamond specifications and retailer prices

From $1,352 AUD
$950 USD
As of October 29, 2026
Save $5,379 AUD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,731 AUD at MOH London · As of October 27, 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 LG447002191 or 447002191. Listed at 10 retailers as of October 27, 2026, with prices from $1,352 to $6,731, a $5,379 spread on the same certified stone. MOH London lists it at $6,731. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447002191
Dimensions9.28 × 6.68 × 4.17 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.28 mm6.68 mm1.71 ctI / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447002191
Side View
Table 57.0%Crown 35.3°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 62.4%

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: $6,731 AUD|Low: $1,352 AUD|High: $6,811 AUD|Avg: $3,140 AUD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 25, 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$6,731 AUD

14 data points across 11 retailers

10 retailers$1,352 AUD to $6,731 AUD

A
Cheapest Retailer
-
$1,352 AUD
$950 USD
B+
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
LG447002191 · Oct 27
$6,731 AUD
£3,723 GBP
View
9 more retailers have this diamond
Prices start from $1,352 AUDSave up to $5,379 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