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Round|Lab Grown|IGI

1.28ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG780646223

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780646223

Diamond specifications and retailer prices

From $252 SGD
$197 USD
As of November 1, 2026
Save $2,164 SGD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,416 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 LG780646223 or 780646223. Listed at 17 retailers as of October 31, 2026, with prices from $252 to $2,416, a $2,164 spread on the same certified stone. Do Amore Diamonds lists it at $2,416. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780646223
Dimensions6.92 × 6.94 × 4.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.92 mm6.94 mm1.28 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780646223
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
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: $2,416 SGD|Low: $252 SGD|High: $2,416 SGD|Avg: $774 SGD
Do Amore Diamonds
Retailer 2
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Retailer 21
November 1, 2026
Retailer 19$252 SGD
Retailer 5$283 SGD
Retailer 18$291 SGD
Retailer 14$344 SGD
Retailer 4$376 SGD
Retailer 7$427 SGD
Retailer 9$518 SGD
Retailer 15$566 SGD
Retailer 2$595 SGD
Retailer 21$629 SGD
Retailer 10$657 SGD
Retailer 6$748 SGD
Retailer 17$843 SGD
Retailer 13$896 SGD
Retailer 8$975 SGD
Retailer 12$1,002 SGD
Retailer 11$1,029 SGD
Retailer 20$1,061 SGD
Retailer 3$1,108 SGD
Retailer 16$1,388 SGD
Do Amore Diamonds$2,416 SGD

19 data points across 21 retailers

17 retailers$252 SGD to $2,416 SGD

A
Cheapest Retailer
-
$252 SGD
$197 USD
A
Retailer 2
-
$283 SGD
$221 USD
View
Final sale: no returns
A
Retailer 3
-
$291 SGD
$228 USD
View
Retailer 4
-
$344 SGD
HK$2,100 HKD
View
Price last confirmed 58 days ago
A
Retailer 5
-
$376 SGD
$294 USD
View
B+
Retailer 6
-
$427 SGD
$334 USD
View
A
Retailer 7
-
$566 SGD
€422 EUR
View
A
Retailer 8
-
$595 SGD
£366 GBP
View
B+
Retailer 9
-
$629 SGD
$492 USD
View
B+
Retailer 10
-
$748 SGD
$585 USD
View
B+
Retailer 11
-
$843 SGD
A$1,014 AUD
View
B+
Retailer 12
-
$896 SGD
$701 USD
View
B
Retailer 13
-
$975 SGD
$763 USD
View
B
Retailer 14
-
$1,061 SGD
$830 USD
View
B
Retailer 15
-
$1,108 SGD
$867 USD
View
B
Retailer 16
-
$1,388 SGD
£855 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E63D3B6C0 · Oct 31
$2,416 SGD
$1,890 USD
View
16 more retailers have this diamond
Prices start from $252 SGDSave up to $2,164 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
$252 SGD