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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 $507 USD
As of October 29, 2026
Save $2,343 USD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,850 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 LG818644610 or 818644610. Listed at 22 retailers as of October 29, 2026, with prices from $507 to $2,850, a $2,343 spread on the same certified stone. Brilliant Earth lists it at $2,850. 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 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

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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: $2,850 USD|Low: $487 USD|High: $2,850 USD|Avg: $1,278 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
October 29, 2026
Retailer 13$507 USD
Retailer 14$567 USD
Retailer 4$629 USD
Retailer 5$629 USD
Retailer 10$765 USD
Retailer 8$946 USD
Retailer 7$1,003 USD
Retailer 2$1,041 USD
Retailer 9$1,081 USD
Retailer 12$1,469 USD
Retailer 3$1,605 USD
Retailer 6$1,994 USD
Retailer 11$2,629 USD
Brilliant Earth$2,850 USD

37 data points across 14 retailers

22 retailers$507 USD to $2,850 USD

A
Cheapest Retailer
-
$507 USD
A
Retailer 2
-
$567 USD
View
Final sale: no returns
A
Retailer 3
-
$568 USD
View
A
Retailer 4
-
$629 USD
View
Retailer 5
-
$629 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$691 USD
HK$5,400 HKD
View
A
Retailer 7
-
$765 USD
View
A
Retailer 8
-
$845 USD
View
B+
Retailer 9
-
$860 USD
View
B+
Retailer 10
-
$946 USD
€901 EUR
View
B+
Retailer 11
-
$1,003 USD
£790 GBP
View
B+
Retailer 12
-
$1,041 USD
£820 GBP
View
B+
Retailer 13
-
$1,081 USD
ZAR 17,463 ZAR
View
B
Retailer 14
-
$1,469 USD
View
Retailer 15
-
$1,605 USD
View
Price last confirmed 22 days ago
B
Retailer 16
-
$1,654 USD
View
B
Retailer 17
-
$1,994 USD
SGD 2,695 SGD
View
B
Retailer 18
-
$2,047 USD
View
B
Retailer 19
-
$2,174 USD
View
B
Retailer 20
-
$2,343 USD
View
B
Retailer 21
-
$2,629 USD
£2,070 GBP
View
Most Expensive
B
Brilliant Earth
21133537A · Oct 29
$2,850 USD
View
21 more retailers have this diamond
Prices start from $507 USDSave up to $2,343 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
$507 USD