Round|Lab Grown|IGI

1.27ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG818644610

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644610

Diamond specifications and retailer prices

From $648 SGD
$507 USD
As of October 29, 2026
Save $2,995 SGD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,643 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818644610 or 818644610. Listed at 22 retailers as of October 29, 2026, with prices from $648 to $3,643, a $2,995 spread on the same certified stone. Brilliant Earth lists it at $3,643. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644610
Dimensions6.93 × 6.86 × 4.28 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
6.93 mm6.86 mm1.27 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644610
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.1%

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: $3,643 SGD|Low: $623 SGD|High: $3,643 SGD|Avg: $1,549 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
October 31, 2026
Retailer 12$648 SGD
Retailer 13$725 SGD
Retailer 4$804 SGD
Retailer 5$804 SGD
Retailer 9$978 SGD
Retailer 2$1,205 SGD
Retailer 7$1,279 SGD
Retailer 6$1,335 SGD
Retailer 8$1,382 SGD
Retailer 11$1,878 SGD
Retailer 3$2,052 SGD
Retailer 10$3,361 SGD
Brilliant Earth$3,643 SGD

37 data points across 13 retailers

22 retailers$648 SGD to $3,643 SGD

A
Cheapest Retailer
-
$648 SGD
$507 USD
A
Retailer 2
-
$725 SGD
$567 USD
View
Final sale: no returns
A
Retailer 3
-
$726 SGD
$568 USD
View
A
Retailer 4
-
$804 SGD
$629 USD
View
Retailer 5
-
$804 SGD
$629 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$884 SGD
HK$5,400 HKD
View
A
Retailer 7
-
$978 SGD
$765 USD
View
A
Retailer 8
-
$1,080 SGD
$845 USD
View
B+
Retailer 9
-
$1,099 SGD
$860 USD
View
B+
Retailer 10
-
$1,205 SGD
€898 EUR
View
B+
Retailer 11
-
$1,279 SGD
£788 GBP
View
B+
Retailer 12
-
$1,335 SGD
£822 GBP
View
B+
Retailer 13
-
$1,382 SGD
ZAR 17,463 ZAR
View
B
Retailer 14
-
$1,878 SGD
$1,469 USD
View
Retailer 15
-
$2,052 SGD
$1,605 USD
View
Price last confirmed 25 days ago
B
Retailer 16
-
$2,114 SGD
$1,654 USD
View
B
Retailer 17
-
$2,550 SGD
View
B
Retailer 18
-
$2,617 SGD
$2,047 USD
View
B
Retailer 19
-
$2,779 SGD
$2,174 USD
View
B
Retailer 20
-
$2,995 SGD
$2,343 USD
View
B
Retailer 21
-
$3,361 SGD
£2,070 GBP
View
Most Expensive
B
Brilliant Earth
21133537A · Oct 31
$3,643 SGD
$2,850 USD
View
21 more retailers have this diamond
Prices start from $648 SGDSave up to $2,995 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
$648 SGD