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Round|Lab Grown|IGI

1.28ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG840650536

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840650536

Diamond specifications and retailer prices

From $321 NZD
$181 USD
As of November 1, 2026
Save $1,538 NZD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,859 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840650536 or 840650536. Listed at 21 retailers as of November 1, 2026, with prices from $321 to $1,859, a $1,538 spread on the same certified stone. MOH London lists it at $1,859. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840650536
Dimensions6.93 × 6.96 × 4.33 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
6.93 mm6.96 mm1.28 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840650536
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

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: Nov 1
Current: $1,859 NZD|Low: $307 NZD|High: $1,882 NZD|Avg: $863 NZD|-1.2%
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
Retailer 20
November 1, 2026
Retailer 19$321 NZD
Retailer 5$373 NZD
Retailer 4$397 NZD
Retailer 6$397 NZD
Retailer 3$454 NZD
Retailer 9$536 NZD
Retailer 13$664 NZD
Retailer 15$669 NZD
Retailer 2$686 NZD
Retailer 14$709 NZD
Retailer 10$841 NZD
Retailer 7$862 NZD
Retailer 16$944 NZD
Retailer 17$970 NZD
Retailer 18$1,100 NZD
Retailer 20$1,277 NZD
Retailer 12$1,321 NZD
Retailer 11$1,350 NZD
Retailer 8$1,374 NZD
MOH London$1,859 NZD

32 data points across 20 retailers

21 retailers$321 NZD to $1,859 NZD

A
Cheapest Retailer
-
$321 NZD
$181 USD
A
Retailer 2
-
$373 NZD
$210 USD
View
A
Retailer 3
-
$397 NZD
$224 USD
View
Retailer 4
-
$397 NZD
$224 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$454 NZD
HK$2,000 HKD
View
B+
Retailer 6
-
$536 NZD
$302 USD
View
A
Retailer 7
-
$664 NZD
£295 GBP
View
A
Retailer 8
-
$669 NZD
€359 EUR
View
A
Retailer 9
-
$686 NZD
ZAR 6,248 ZAR
View
A
Retailer 10
-
$709 NZD
£315 GBP
View
B+
Retailer 11
-
$841 NZD
$474 USD
View
B+
Retailer 12
-
$862 NZD
$486 USD
View
B+
Retailer 13
-
$944 NZD
$532 USD
View
B+
Retailer 14
-
$970 NZD
A$841 AUD
View
B+
Retailer 15
-
$1,100 NZD
$620 USD
View
B
Retailer 16
-
$1,277 NZD
$720 USD
View
B
Retailer 17
-
$1,321 NZD
SGD 1,006 SGD
View
B
Retailer 18
-
$1,350 NZD
$761 USD
View
B
Retailer 19
-
$1,374 NZD
$774 USD
View
B
Retailer 20
-
$1,402 NZD
$790 USD
View
Most Expensive
B
MOH London
LG840650536 · Nov 1
$1,859 NZD
£825 GBP
View
20 more retailers have this diamond
Prices start from $321 NZDSave up to $1,538 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
1.28ct Round
$321 NZD