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Round|Lab Grown|IGI

1.28ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG839654761

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839654761

Diamond specifications and retailer prices

From $231 SGD
$181 USD
As of October 29, 2026
Save $779 SGD (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,346 SGD 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839654761 or 839654761. Listed at 21 retailers as of October 29, 2026, with a 336% 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
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839654761
Dimensions6.95 × 6.98 × 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
6.95 mm6.98 mm1.28 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839654761
Side View
Table 57.0%Crown 35.9°Girdle: MED-STKPavilion 40.9°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: Oct 29
Current: $1,346 SGD|Low: $221 SGD|High: $1,356 SGD|Avg: $583 SGD|-0.7%
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
October 31, 2026
Retailer 16$231 SGD
Retailer 4$268 SGD
Retailer 3$286 SGD
Retailer 9$286 SGD
Retailer 6$327 SGD
Retailer 5$386 SGD
Retailer 12$480 SGD
Retailer 2$482 SGD
Retailer 13$492 SGD
Retailer 10$515 SGD
Retailer 7$621 SGD
Retailer 11$680 SGD
Retailer 14$699 SGD
Retailer 15$793 SGD
Retailer 8$920 SGD
Retailer 17$1,010 SGD
MOH London$1,346 SGD

37 data points across 17 retailers

21 retailers$231 SGD to $1,010 SGD

A
Cheapest Retailer
-
$231 SGD
$181 USD
A
Retailer 2
-
$268 SGD
$210 USD
View
A
Retailer 3
-
$286 SGD
$224 USD
View
A
Retailer 4
-
$286 SGD
$224 USD
View
A
Retailer 5
-
$327 SGD
HK$2,000 HKD
View
B+
Retailer 6
-
$386 SGD
$302 USD
View
A
Retailer 7
-
$480 SGD
£295 GBP
View
A
Retailer 8
-
$482 SGD
€359 EUR
View
A
Retailer 9
-
$492 SGD
ZAR 6,215 ZAR
View
A
Retailer 10
-
$515 SGD
£317 GBP
View
B+
Retailer 11
-
$606 SGD
$474 USD
View
B+
Retailer 12
-
$621 SGD
$486 USD
View
B+
Retailer 13
-
$680 SGD
$532 USD
View
B+
Retailer 14
-
$699 SGD
A$841 AUD
View
Retailer 15
-
$793 SGD
$620 USD
View
Price last confirmed 9 days ago
B
Retailer 16
-
$920 SGD
$720 USD
View
B
Retailer 17
-
$952 SGD
View
B
Retailer 18
-
$973 SGD
$761 USD
View
B
Retailer 19
-
$990 SGD
$774 USD
View
B
Retailer 20
-
$1,010 SGD
$790 USD
View
Most Expensive
MOH London
LG839654761 · Oct 21
$1,346 SGD
£829 GBP
View
Price last confirmed 10 days ago
20 more retailers have this diamond
Prices start from $231 SGDSave up to $779 SGD

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
$231 SGD