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Oval|Lab Grown|IGI

10.31ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG577377877

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG577377877

Diamond specifications and retailer prices

From $2,733 NZD
$1,538 USD
As of November 1, 2026
Save $10,221 NZD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $12,955 NZD at Adiamor · As of November 2, 2026
View at Adiamor

About this 10.31ct lab-grown oval diamond

This 10.31ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG577377877 or 577377877. Listed at 12 retailers as of November 1, 2026, with prices from $2,733 to $12,955, a $10,221 spread on the same certified stone. Adiamor lists it at $12,955. 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

10.31
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577377877
Dimensions17.46 × 12.33 × 7.75 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
17.46 mm12.33 mm10.31 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577377877
Side View
Table 60.0%Crown 35.9°Girdle: MediumPavilion 41°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: Nov 1
Current: $12,955 NZD|Low: $2,733 NZD|High: $28,774 NZD|Avg: $8,728 NZD
Adiamor
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 12$2,733 NZD
Retailer 2$2,829 NZD
Retailer 4$2,973 NZD
Retailer 14$3,171 NZD
Retailer 13$3,475 NZD
Retailer 16$3,731 NZD
Retailer 15$4,079 NZD
Retailer 9$4,479 NZD
Retailer 10$4,991 NZD
Retailer 11$5,606 NZD
Retailer 3$5,942 NZD
Retailer 5$7,237 NZD
Retailer 7$12,660 NZD
Adiamor$12,955 NZD
Retailer 6$26,127 NZD
Retailer 8$28,774 NZD

6 data points across 16 retailers

12 retailers$2,733 NZD to $12,955 NZD

A
Cheapest Retailer
-
$2,733 NZD
$1,538 USD
A
Retailer 2
-
$2,829 NZD
£1,253 GBP
View
A
Retailer 3
-
$2,973 NZD
$1,673 USD
View
A
Retailer 4
-
$3,171 NZD
$1,784 USD
View
A
Retailer 5
-
$3,475 NZD
$1,955 USD
View
A
Retailer 6
-
$3,731 NZD
HK$16,400 HKD
View
A
Retailer 7
-
$4,079 NZD
$2,295 USD
View
A
Retailer 8
-
$4,479 NZD
£1,984 GBP
View
B+
Retailer 9
-
$4,991 NZD
$2,808 USD
View
B+
Retailer 10
-
$5,606 NZD
$3,154 USD
View
B+
Retailer 11
-
$5,942 NZD
$3,343 USD
View
Most Expensive
B
Adiamor
D-82828868 · Nov 2
$12,955 NZD
$7,289 USD
View
11 more retailers have this diamond
Prices start from $2,733 NZDSave up to $10,221 NZD

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
10.31ct Oval
$2,733 NZD