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Round|Lab Grown|IGI

1.27ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG770638363

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770638363

Diamond specifications and retailer prices

From $525 SGD
$411 USD
As of November 1, 2026
Save $3,105 SGD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,631 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 LG770638363 or 770638363. Listed at 22 retailers as of October 31, 2026, with prices from $525 to $3,631, a $3,105 spread on the same certified stone. Brilliant Earth lists it at $3,631. 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 angle36°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770638363
Dimensions6.91 × 6.95 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.91 mm6.95 mm1.27 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770638363
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.2%

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: Nov 1
Current: $3,631 SGD|Low: $505 SGD|High: $3,631 SGD|Avg: $1,279 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
Retailer 17
November 1, 2026
Retailer 16$525 SGD
Retailer 6$589 SGD
Retailer 8$589 SGD
Retailer 3$652 SGD
Retailer 17$652 SGD
Retailer 14$837 SGD
Retailer 9$876 SGD
Retailer 5$949 SGD
Retailer 11$1,070 SGD
Retailer 12$1,093 SGD
Retailer 13$1,121 SGD
Retailer 15$1,572 SGD
Retailer 10$2,033 SGD
Retailer 4$2,074 SGD
Retailer 7$2,097 SGD
Retailer 2$2,549 SGD
Brilliant Earth$3,631 SGD

43 data points across 17 retailers

22 retailers$525 SGD to $3,631 SGD

A
Cheapest Retailer
-
$525 SGD
$411 USD
A
Retailer 2
-
$589 SGD
$461 USD
View
Final sale: no returns
A
Retailer 3
-
$589 SGD
$461 USD
View
A
Retailer 4
-
$652 SGD
$510 USD
View
Retailer 5
-
$652 SGD
$510 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$720 SGD
HK$4,400 HKD
View
A
Retailer 7
-
$837 SGD
$655 USD
View
A
Retailer 8
-
$876 SGD
$685 USD
View
A
Retailer 9
-
$949 SGD
$742 USD
View
A
Retailer 10
-
$1,059 SGD
$828 USD
View
B+
Retailer 11
-
$1,070 SGD
£659 GBP
View
B+
Retailer 12
-
$1,093 SGD
€814 EUR
View
B+
Retailer 13
-
$1,121 SGD
ZAR 14,163 ZAR
View
B+
Retailer 14
-
$1,572 SGD
$1,230 USD
View
B
Retailer 15
-
$2,033 SGD
$1,590 USD
View
B
Retailer 16
-
$2,074 SGD
View
B
Retailer 17
-
$2,097 SGD
$1,640 USD
View
B
Retailer 18
-
$2,141 SGD
$1,675 USD
View
B
Retailer 19
-
$2,388 SGD
$1,868 USD
View
B
Retailer 20
-
$2,397 SGD
$1,875 USD
View
B+
Retailer 21
-
$2,549 SGD
£1,570 GBP
View
Most Expensive
B
Brilliant Earth
18359437A · Oct 31
$3,631 SGD
$2,840 USD
View
21 more retailers have this diamond
Prices start from $525 SGDSave up to $3,105 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
$525 SGD