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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 $411 USD
As of October 29, 2026
Save $2,429 USD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,840 USD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $411 to $2,840, a $2,429 spread on the same certified stone. Brilliant Earth lists it at $2,840. 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
Color
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: Oct 29
Current: $2,840 USD|Low: $395 USD|High: $2,840 USD|Avg: $996 USD
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
October 30, 2026
Retailer 15$411 USD
Retailer 6$461 USD
Retailer 8$461 USD
Retailer 3$510 USD
Retailer 17$510 USD
Retailer 13$655 USD
Retailer 9$685 USD
Retailer 5$742 USD
Retailer 2$837 USD
Retailer 11$857 USD
Retailer 12$877 USD
Retailer 14$1,230 USD
Retailer 16$1,605 USD
Retailer 4$1,622 USD
Retailer 7$1,640 USD
Retailer 10$2,004 USD
Brilliant Earth$2,840 USD

43 data points across 17 retailers

22 retailers$411 USD to $2,840 USD

A
Cheapest Retailer
-
$411 USD
A
Retailer 2
-
$461 USD
View
Final sale: no returns
A
Retailer 3
-
$461 USD
View
A
Retailer 4
-
$510 USD
View
A
Retailer 5
-
$510 USD
View
A
Retailer 6
-
$563 USD
HK$4,400 HKD
View
A
Retailer 7
-
$655 USD
View
A
Retailer 8
-
$685 USD
View
A
Retailer 9
-
$742 USD
View
A
Retailer 10
-
$828 USD
View
B+
Retailer 11
-
$837 USD
£659 GBP
View
B+
Retailer 12
-
$857 USD
€816 EUR
View
B+
Retailer 13
-
$877 USD
ZAR 14,163 ZAR
View
B+
Retailer 14
-
$1,230 USD
View
Retailer 15
-
$1,605 USD
View
Price last confirmed 23 days ago
B
Retailer 16
-
$1,622 USD
SGD 2,192 SGD
View
B
Retailer 17
-
$1,640 USD
View
B
Retailer 18
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$1,675 USD
View
B
Retailer 19
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$1,868 USD
View
B
Retailer 20
-
$1,875 USD
View
B
Retailer 21
-
$2,004 USD
£1,578 GBP
View
Most Expensive
B
Brilliant Earth
18359437A · Oct 29
$2,840 USD
View
21 more retailers have this diamond
Prices start from $411 USDSave up to $2,429 USD

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
$411 USD