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Round|Lab Grown|IGI

1.27ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG818678012

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818678012

Diamond specifications and retailer prices

From $249 SGD
As of November 5, 2026
Save $1,254 SGD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,677 SGD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.27ct lab-grown round diamond

This 1.27ct lab-grown round 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 top-tier cut grade and certified by IGI LG818678012 or 818678012. Listed at 23 retailers as of November 4, 2026, with a 504% 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

1.27
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818678012
Dimensions7.02 × 6.98 × 4.17 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.02 mm6.98 mm1.27 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818678012
Side View
Table 63.0%Crown 34.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.5%

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 5
Current: $520 SGD|Low: $239 SGD|High: $1,460 SGD|Avg: $604 SGD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 12$249 SGD
Retailer 11$277 SGD
Retailer 4$309 SGD
Retailer 3$415 SGD
Retailer 1$520 SGD
Retailer 10$533 SGD
Retailer 5$556 SGD
Retailer 8$568 SGD
Retailer 2$683 SGD
Retailer 9$751 SGD
Retailer 7$995 SGD
Retailer 6$1,438 SGD

42 data points across 12 retailers

23 retailers$249 SGD to $1,503 SGD

A
Cheapest Retailer
-
$249 SGD
A
Retailer 2
-
$277 SGD
View
Final sale: no returns
A
Retailer 3
-
$289 SGD
View
Retailer 4
-
$309 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$309 SGD
View
A
Retailer 6
-
$342 SGD
View
B+
Retailer 7
-
$415 SGD
View
A
Retailer 8
-
$520 SGD
View
A
Retailer 9
-
$533 SGD
View
A
Retailer 10
-
$545 SGD
View
B+
Retailer 11
-
$556 SGD
View
B+
Retailer 12
-
$568 SGD
View
Retailer 13
-
$683 SGD
View
Price last confirmed 18 days ago
B+
Retailer 14
-
$751 SGD
View
B+
Retailer 15
-
$802 SGD
View
B
Retailer 16
-
$992 SGD
View
B
Retailer 17
-
$995 SGD
View
B
Retailer 18
-
$1,003 SGD
View
B
Retailer 19
-
$1,041 SGD
View
B
Retailer 20
-
$1,060 SGD
View
B
Retailer 21
-
$1,438 SGD
View
B
Retailer 22
-
$1,503 SGD
View
Most Expensive
Queensmith
LG818678012 · Oct 27
$2,677 SGD
£1,650 GBP
View
Price under review
22 more retailers have this diamond
Prices start from $249 SGDSave up to $1,254 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 Round
$249 SGD