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Round|Lab Grown|IGI

1.03ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG778630870

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778630870

Diamond specifications and retailer prices

From $339 NZD
As of November 3, 2026
Save $1,628 NZD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,967 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778630870 or 778630870. Listed at 20 retailers as of November 2, 2026, with prices from $339 to $1,967, a $1,628 spread on the same certified stone. MOH London lists it at $1,967. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778630870
Dimensions6.55 × 6.51 × 3.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.55 mm6.51 mm1.03 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778630870
Side View
Table 59.0%Crown 33.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.2%

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: Nov 3
Current: $1,967 NZD|Low: $339 NZD|High: $2,014 NZD|Avg: $1,031 NZD|-2.2%
MOH London
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
Retailer 19
November 5, 2026
Retailer 17$339 NZD
Retailer 6$380 NZD
Retailer 5$394 NZD
Retailer 18$420 NZD
Retailer 12$701 NZD
Retailer 16$726 NZD
Retailer 7$736 NZD
Retailer 2$756 NZD
Retailer 3$977 NZD
Retailer 15$1,025 NZD
Retailer 11$1,086 NZD
Retailer 14$1,096 NZD
Retailer 8$1,142 NZD
Retailer 19$1,354 NZD
Retailer 9$1,430 NZD
Retailer 10$1,448 NZD
Retailer 13$1,535 NZD
Retailer 4$1,934 NZD
MOH London$1,967 NZD

24 data points across 19 retailers

20 retailers$339 NZD to $1,967 NZD

A
Cheapest Retailer
-
$339 NZD
A
Retailer 2
-
$380 NZD
View
Final sale: no returns
A
Retailer 3
-
$394 NZD
View
A
Retailer 4
-
$420 NZD
View
Retailer 5
-
$426 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$701 NZD
View
A
Retailer 7
-
$726 NZD
View
A
Retailer 8
-
$736 NZD
View
A
Retailer 9
-
$756 NZD
View
B+
Retailer 10
-
$977 NZD
View
B+
Retailer 11
-
$1,025 NZD
View
B+
Retailer 12
-
$1,086 NZD
View
B+
Retailer 13
-
$1,096 NZD
View
B+
Retailer 14
-
$1,142 NZD
View
B+
Retailer 15
-
$1,354 NZD
View
B
Retailer 16
-
$1,430 NZD
View
B+
Retailer 17
-
$1,448 NZD
View
B
Retailer 18
-
$1,535 NZD
View
B
Retailer 19
-
$1,934 NZD
View
Most Expensive
B
MOH London
LG778630870 · Nov 2
$1,967 NZD
£873 GBP
View
19 more retailers have this diamond
Prices start from $339 NZDSave up to $1,628 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
1.03ct Round
$339 NZD