CaratHunter
Plans
Oval|Lab Grown|IGI

10.16ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG585304879

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG585304879

Diamond specifications and retailer prices

From $3,255 NZD
£1,440 GBP
As of October 27, 2026
Save $27,084 NZD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $30,340 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10.16ct lab-grown oval diamond

This 10.16ct 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 LG585304879 or 585304879. Listed at 11 retailers as of October 27, 2026, with prices from $3,255 to $30,340, a $27,084 spread on the same certified stone. Brilliant Earth lists it at $30,340. 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

10.16
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG585304879
Dimensions18.02 × 12.17 × 7.52 mm
L/W Ratio1.48
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
18.02 mm12.17 mm10.16 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG585304879
Side View
Table 60.0%Crown 35.5°Girdle: THN-MEDPavilion 41.1°Culet: NoneDepth 61.8%

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: $28,417 NZD|Low: $3,255 NZD|High: $28,417 NZD|Avg: $15,011 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$3,255 NZD
Retailer 14$5,126 NZD
Retailer 15$5,199 NZD
Retailer 6$5,310 NZD
Retailer 5$6,130 NZD
Retailer 12$6,816 NZD
Retailer 4$7,024 NZD
Retailer 18$9,146 NZD
Retailer 11$9,775 NZD
Retailer 16$11,621 NZD
Retailer 3$12,766 NZD
Retailer 17$17,511 NZD
Retailer 2$19,532 NZD
Retailer 7$22,416 NZD
Retailer 9$25,794 NZD
Retailer 8$26,903 NZD
Retailer 10$26,903 NZD
Brilliant Earth$28,417 NZD

8 data points across 18 retailers

11 retailers$3,255 NZD to $30,340 NZD

A
Cheapest Retailer
-
$3,255 NZD
£1,440 GBP
A
Retailer 2
-
$5,126 NZD
£2,267 GBP
View
B+
Retailer 3
-
$5,199 NZD
$2,920 USD
View
B+
Retailer 4
-
$6,816 NZD
$3,828 USD
View
B+
Retailer 5
-
$9,146 NZD
$5,137 USD
View
B+
Retailer 6
-
$9,775 NZD
$5,490 USD
View
B
Retailer 7
-
$11,621 NZD
$6,527 USD
View
B
Retailer 8
-
$12,766 NZD
$7,170 USD
View
B
Retailer 9
-
$17,511 NZD
$9,835 USD
View
B
Retailer 10
-
$19,532 NZD
$10,970 USD
View
Most Expensive
B
Brilliant Earth
22300835A · Oct 29
$30,340 NZD
$17,040 USD
View
10 more retailers have this diamond
Prices start from $3,255 NZDSave up to $27,084 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
10.16ct Oval
$3,255 NZD