Round|Lab Grown|IGI

1.28ct G VVS2 Round Lab Grown Diamond

EX • G/VVS2 • IGI LG839649648

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839649648

Diamond specifications and retailer prices

From $167 USD
As of November 1, 2026
Save $554 USD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $974 USD at MOH London · As of October 21, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839649648 or 839649648. Listed at 18 retailers as of October 31, 2026, with a 332% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839649648
Dimensions6.89 × 6.86 × 4.35 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
6.89 mm6.86 mm1.28 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839649648
Side View
Table 59.0%Crown 36.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $974 USD|Low: $163 USD|High: $994 USD|Avg: $442 USD|-2.0%
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
November 2, 2026
Retailer 8$167 USD
Retailer 3$207 USD
Retailer 17$207 USD
Retailer 10$243 USD
Retailer 6$280 USD
Retailer 14$353 USD
Retailer 13$358 USD
Retailer 11$367 USD
Retailer 2$369 USD
Retailer 18$440 USD
Retailer 12$506 USD
Retailer 15$512 USD
Retailer 16$545 USD
Retailer 4$666 USD
Retailer 5$692 USD
Retailer 7$694 USD
Retailer 9$721 USD
MOH London$974 USD

35 data points across 18 retailers

18 retailers$167 USD to $721 USD

A
Cheapest Retailer
-
$167 USD
Retailer 2
-
$207 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$207 USD
View
A
Retailer 4
-
$243 USD
HK$1,900 HKD
View
B+
Retailer 5
-
$280 USD
View
A
Retailer 6
-
$353 USD
€336 EUR
View
A
Retailer 7
-
$358 USD
ZAR 5,781 ZAR
View
A
Retailer 8
-
$367 USD
£289 GBP
View
A
Retailer 9
-
$369 USD
£291 GBP
View
A
Retailer 10
-
$440 USD
View
B+
Retailer 11
-
$506 USD
A$778 AUD
View
B+
Retailer 12
-
$512 USD
View
B+
Retailer 13
-
$545 USD
View
B+
Retailer 14
-
$666 USD
View
B+
Retailer 15
-
$692 USD
SGD 935 SGD
View
B
Retailer 16
-
$694 USD
View
B
Retailer 17
-
$721 USD
View
Most Expensive
MOH London
LG839649648 · Oct 21
$974 USD
£767 GBP
View
Price last confirmed 12 days ago
17 more retailers have this diamond
Prices start from $167 USDSave up to $554 USD

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
$167 USD