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Cushion|Lab Grown|IGI

1.27ct D VS1 Cushion Lab Grown Diamond

GD • D/VS1 • IGI LG645412508

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG645412508

Diamond specifications and retailer prices

From $326 SGD
$255 USD
As of October 30, 2026
Save $1,400 SGD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,726 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.27ct lab-grown cushion diamond

This 1.27ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG645412508 or 645412508. Listed at 16 retailers as of October 28, 2026, with prices from $326 to $1,726, a $1,400 spread on the same certified stone. Brilliant Earth lists it at $1,726. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.27
Carat
D
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645412508
Dimensions6.25 × 6.13 × 4.17 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Top View
6.25 mm6.13 mm1.27 ctD / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645412508
Side View
Table 63.0%Crown 36.6°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 68.0%

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: Oct 30
Current: $1,726 SGD|Low: $295 SGD|High: $1,726 SGD|Avg: $828 SGD
Brilliant Earth
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
October 30, 2026
Retailer 14$326 SGD
Retailer 3$363 SGD
Retailer 15$489 SGD
Retailer 9$562 SGD
Retailer 6$616 SGD
Retailer 12$623 SGD
Retailer 4$657 SGD
Retailer 2$682 SGD
Retailer 16$768 SGD
Retailer 13$884 SGD
Retailer 11$927 SGD
Retailer 8$1,006 SGD
Retailer 5$1,232 SGD
Retailer 10$1,461 SGD
Retailer 7$1,643 SGD
Brilliant Earth$1,726 SGD

39 data points across 16 retailers

16 retailers$326 SGD to $1,726 SGD

A
Cheapest Retailer
-
$326 SGD
$255 USD
Final sale: no returns
Retailer 2
-
$363 SGD
$284 USD
View
Price last confirmed 18 days ago
Retailer 3
-
$489 SGD
£301 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$562 SGD
€419 EUR
View
B+
Retailer 5
-
$616 SGD
$482 USD
View
B+
Retailer 6
-
$623 SGD
ZAR 7,870 ZAR
View
B+
Retailer 7
-
$657 SGD
$514 USD
View
B+
Retailer 8
-
$682 SGD
£420 GBP
View
B+
Retailer 9
-
$768 SGD
$601 USD
View
B+
Retailer 10
-
$884 SGD
A$1,064 AUD
View
B
Retailer 11
-
$927 SGD
$725 USD
View
B
Retailer 12
-
$1,006 SGD
$787 USD
View
B
Retailer 13
-
$1,232 SGD
$964 USD
View
B
Retailer 14
-
$1,461 SGD
£900 GBP
View
B
Retailer 15
-
$1,643 SGD
$1,285 USD
View
Most Expensive
B
Brilliant Earth
11351703A · Oct 28
$1,726 SGD
$1,350 USD
View
15 more retailers have this diamond
Prices start from $326 SGDSave up to $1,400 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
1.27ct Cushion
$326 SGD