Round|Lab Grown|IGI

10.03ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG812603085

Shape and cutting style on the report: Round brilliant

Certificate IGI LG812603085

Diamond specifications and retailer prices

From $3,139 NZD
$1,769 USD
As of October 29, 2026
Save $9,626 NZD (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $12,765 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 10.03ct lab-grown round diamond

This 10.03ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812603085 or 812603085. Listed at 15 retailers as of October 29, 2026, with prices from $3,139 to $12,765, a $9,626 spread on the same certified stone. Taylor and Hart lists it at $12,765. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.03
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812603085
Dimensions13.89 × 13.84 × 8.50 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.89 mm13.84 mm10.03 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812603085
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.3%

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 29
Current: $3,249 NZD|Low: $2,509 NZD|High: $12,765 NZD|Avg: $5,717 NZD|-0.3%
Retailer 1
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
Taylor and Hart
November 1, 2026
Retailer 11$3,139 NZD
Retailer 1$3,249 NZD
Retailer 12$3,416 NZD
Retailer 5$3,515 NZD
Retailer 2$3,641 NZD
Retailer 13$3,641 NZD
Retailer 8$3,939 NZD
Retailer 4$4,601 NZD
Retailer 9$5,636 NZD
Retailer 14$5,711 NZD
Retailer 10$6,123 NZD
Retailer 7$6,746 NZD
Retailer 3$6,824 NZD
Retailer 6$10,710 NZD
Taylor and Hart$12,765 NZD

42 data points across 15 retailers

15 retailers$3,139 NZD to $12,765 NZD

A
Cheapest Retailer
-
$3,139 NZD
$1,769 USD
A
Retailer 2
-
$3,249 NZD
£1,442 GBP
View
A
Retailer 3
-
$3,416 NZD
$1,925 USD
View
A
Retailer 4
-
$3,515 NZD
$1,981 USD
View
Final sale: no returns
Retailer 5
-
$3,641 NZD
$2,052 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$3,641 NZD
$2,052 USD
View
A
Retailer 7
-
$3,939 NZD
$2,220 USD
View
A
Retailer 8
-
$4,601 NZD
$2,593 USD
View
A
Retailer 9
-
$5,636 NZD
ZAR 51,316 ZAR
View
A
Retailer 10
-
$5,711 NZD
$3,219 USD
View
A
Retailer 11
-
$6,123 NZD
$3,451 USD
View
A
Retailer 12
-
$6,746 NZD
A$5,849 AUD
View
A
Retailer 13
-
$6,824 NZD
$3,846 USD
View
B+
Retailer 14
-
$10,710 NZD
$6,036 USD
View
Most Expensive
B
Taylor and Hart
A3KOMY7 · Oct 31
$12,765 NZD
$7,194 USD
View
14 more retailers have this diamond
Prices start from $3,139 NZDSave up to $9,626 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
10.03ct Round
$3,139 NZD