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Oval|Lab Grown|IGI

1.60ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG451056276

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451056276

Diamond specifications and retailer prices

From $1,210 AUD
$850 USD
As of October 29, 2026
Save $5,121 AUD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,332 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.6ct lab-grown oval diamond

This 1.6ct 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 LG451056276 or 451056276. Listed at 10 retailers as of October 29, 2026, with prices from $1,210 to $6,332, a $5,121 spread on the same certified stone. MOH London lists it at $6,332. 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

1.60
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056276
Dimensions9.05 × 6.68 × 4.20 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.05 mm6.68 mm1.60 ctI / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056276
Side View
Table 57.5%Crown 36.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
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 29
Current: $6,332 AUD|Low: $1,210 AUD|High: $6,382 AUD|Avg: $3,259 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 3$1,210 AUD
Retailer 2$1,690 AUD
Retailer 4$1,960 AUD
Retailer 8$2,242 AUD
Retailer 5$3,112 AUD
Retailer 6$3,755 AUD
Retailer 7$4,388 AUD
MOH London$6,332 AUD

12 data points across 8 retailers

10 retailers$1,210 AUD to $6,332 AUD

A
Cheapest Retailer
-
$1,210 AUD
$850 USD
B+
Retailer 2
-
$1,690 AUD
$1,187 USD
View
B+
Retailer 3
-
$1,839 AUD
$1,292 USD
View
Retailer 4
-
$1,960 AUD
$1,377 USD
View
Price last confirmed 18 days ago
B+
Retailer 5
-
$1,960 AUD
$1,377 USD
View
Retailer 6
-
$2,242 AUD
$1,575 USD
View
B
Retailer 7
-
$3,112 AUD
$2,186 USD
View
B
Retailer 8
-
$3,674 AUD
$2,581 USD
View
B
Retailer 9
-
$3,755 AUD
$2,638 USD
View
Most Expensive
B
MOH London
LG451056276 · Oct 29
$6,332 AUD
£3,502 GBP
View
9 more retailers have this diamond
Prices start from $1,210 AUDSave up to $5,121 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
1.60ct Oval
$1,210 AUD