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Round|Lab Grown|IGI

1.28ct F VVS1 Round Lab Grown Diamond

EX • F/VVS1 • IGI LG837621900

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837621900

Diamond specifications and retailer prices

From $361 SGD
HK$2,200 HKD
As of October 26, 2026
Save $1,717 SGD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,078 SGD at Yadav Diamonds · As of October 29, 2026
View at Yadav Diamonds

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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837621900 or 837621900. Listed at 20 retailers as of October 26, 2026, with prices from $361 to $2,078, a $1,717 spread on the same certified stone. Yadav Diamonds lists it at $2,078. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837621900
Dimensions7.17 × 7.12 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.17 mm7.12 mm1.28 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837621900
Side View
Table 58.0%Crown 31.7°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 58.8%

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: Oct 26
Current: $514 SGD|Low: $345 SGD|High: $2,078 SGD|Avg: $866 SGD|+1.3%
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
Yadav Diamonds
October 29, 2026
Retailer 2$361 SGD
Retailer 12$417 SGD
Retailer 1$514 SGD
Retailer 9$531 SGD
Retailer 8$559 SGD
Retailer 13$662 SGD
Retailer 10$754 SGD
Retailer 5$763 SGD
Retailer 11$997 SGD
Retailer 3$1,021 SGD
Retailer 14$1,063 SGD
Retailer 4$1,063 SGD
Retailer 6$1,205 SGD
Retailer 7$1,452 SGD
Yadav Diamonds$2,078 SGD

40 data points across 15 retailers

20 retailers$361 SGD to $2,078 SGD

A
Retailer 1
-
$247 SGD
$193 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$287 SGD
$224 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$306 SGD
$239 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
$306 SGD
$239 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$361 SGD
HK$2,200 HKD
View
B+
Retailer 6
-
$417 SGD
$325 USD
View
A
Retailer 7
-
$514 SGD
€382 EUR
View
A
Retailer 8
-
$531 SGD
ZAR 6,689 ZAR
View
A
Retailer 9
-
$559 SGD
£344 GBP
View
B+
Retailer 10
-
$662 SGD
$516 USD
View
B+
Retailer 11
-
$754 SGD
A$905 AUD
View
B+
Retailer 12
-
$763 SGD
$595 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$985 SGD
$768 USD
View
Price last confirmed 22 days ago
B
Retailer 14
-
$997 SGD
$778 USD
View
B
Retailer 15
-
$1,021 SGD
View
B
Retailer 16
-
$1,063 SGD
$829 USD
View
B
Retailer 17
-
$1,063 SGD
$829 USD
View
B
Retailer 18
-
$1,205 SGD
$940 USD
View
B
Retailer 19
-
$1,452 SGD
£892 GBP
View
Most Expensive
B
Yadav Diamonds
13337084 · Oct 29
$2,078 SGD
$1,621 USD
View
19 more retailers have this diamond
Prices start from $361 SGDSave up to $1,717 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
$361 SGD