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Oval|Lab Grown|IGI

1.56ct H SI2 Oval Lab Grown Diamond

ID • H/SI2 • IGI LG451057308

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057308

Diamond specifications and retailer prices

From $1,224 AUD
$860 USD
As of October 31, 2026
Save $5,429 AUD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,653 AUD at MOH London · As of October 27, 2026
View at MOH London

About this 1.56ct lab-grown oval diamond

This 1.56ct lab-grown oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057308 or 451057308. Listed at 10 retailers as of October 27, 2026, with prices from $1,224 to $6,653, a $5,429 spread on the same certified stone. MOH London lists it at $6,653. 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

1.56
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057308
Dimensions9.06 × 6.58 × 4.10 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.06 mm6.58 mm1.56 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG451057308
Side View
Table 57.0%Crown 36°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 62.3%

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: $6,653 AUD|Low: $1,224 AUD|High: $6,724 AUD|Avg: $3,084 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$1,224 AUD
Retailer 2$1,782 AUD
Retailer 8$1,940 AUD
Retailer 9$1,994 AUD
Retailer 5$2,068 AUD
Retailer 11$2,869 AUD
Retailer 6$3,277 AUD
Retailer 10$3,855 AUD
Retailer 7$3,876 AUD
Retailer 3$4,629 AUD
MOH London$6,653 AUD

14 data points across 11 retailers

10 retailers$1,224 AUD to $6,653 AUD

A
Cheapest Retailer
-
$1,224 AUD
$860 USD
B+
Retailer 2
-
$1,782 AUD
$1,252 USD
View
B+
Retailer 3
-
$1,940 AUD
$1,363 USD
View
B+
Retailer 4
-
$1,994 AUD
$1,401 USD
View
Final sale: no returns
Retailer 5
-
$2,068 AUD
$1,453 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$2,068 AUD
$1,453 USD
View
B
Retailer 7
-
$3,277 AUD
$2,302 USD
View
B
Retailer 8
-
$3,855 AUD
$2,708 USD
View
B
Retailer 9
-
$3,876 AUD
$2,723 USD
View
Most Expensive
B
MOH London
LG451057308 · Oct 27
$6,653 AUD
£3,680 GBP
View
9 more retailers have this diamond
Prices start from $1,224 AUDSave up to $5,429 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
1.56ct Oval
$1,224 AUD