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Oval|Lab Grown|IGI

10.09ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG570372222

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG570372222

Diamond specifications and retailer prices

From $3,233 NZD
£1,430 GBP
As of October 27, 2026
Save $26,893 NZD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $30,126 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10.09ct lab-grown oval diamond

This 10.09ct lab-grown oval sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG570372222 or 570372222. Listed at 11 retailers as of October 27, 2026, with prices from $3,233 to $30,126, a $26,893 spread on the same certified stone. Brilliant Earth lists it at $30,126. 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

10.09
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570372222
Dimensions18.01 × 12.05 × 7.61 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
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
18.01 mm12.05 mm10.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570372222
Side View
Table 58.5%Crown 35.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.2%

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 27
Current: $26,814 NZD|Low: $3,233 NZD|High: $26,814 NZD|Avg: $14,806 NZD
Brilliant Earth
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
Retailer 17
Retailer 18
October 29, 2026
Retailer 13$3,233 NZD
Retailer 14$5,091 NZD
Retailer 15$5,163 NZD
Retailer 6$5,287 NZD
Retailer 5$6,089 NZD
Retailer 12$6,769 NZD
Retailer 4$6,975 NZD
Retailer 18$9,087 NZD
Retailer 11$9,552 NZD
Retailer 16$11,466 NZD
Retailer 3$12,683 NZD
Retailer 17$17,390 NZD
Retailer 2$19,407 NZD
Retailer 7$22,274 NZD
Retailer 9$25,616 NZD
Retailer 8$26,743 NZD
Retailer 10$26,743 NZD
Brilliant Earth$26,814 NZD

8 data points across 18 retailers

11 retailers$3,233 NZD to $30,126 NZD

A
Cheapest Retailer
-
$3,233 NZD
£1,430 GBP
A
Retailer 2
-
$5,091 NZD
£2,251 GBP
View
B+
Retailer 3
-
$5,163 NZD
$2,900 USD
View
B+
Retailer 4
-
$6,769 NZD
$3,802 USD
View
B+
Retailer 5
-
$9,087 NZD
$5,104 USD
View
B+
Retailer 6
-
$9,552 NZD
$5,365 USD
View
B
Retailer 7
-
$11,466 NZD
$6,440 USD
View
B
Retailer 8
-
$12,683 NZD
$7,123 USD
View
B
Retailer 9
-
$17,390 NZD
$9,767 USD
View
B
Retailer 10
-
$19,407 NZD
$10,900 USD
View
Most Expensive
B
Brilliant Earth
22301281A · Oct 29
$30,126 NZD
$16,920 USD
View
10 more retailers have this diamond
Prices start from $3,233 NZDSave up to $26,893 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
10.09ct Oval
$3,233 NZD