Round|Lab Grown|IGI

1.27ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG816615388

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816615388

Diamond specifications and retailer prices

From $270 USD
As of October 29, 2026
Save $1,600 USD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,870 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 LG816615388 or 816615388. Listed at 19 retailers as of October 29, 2026, with prices from $270 to $1,870, a $1,600 spread on the same certified stone. Brilliant Earth lists it at $1,870. 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 angle33.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615388
Dimensions7.08 × 7.05 × 4.18 mm
L/W Ratio1.00
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
7.08 mm7.05 mm1.27 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615388
Side View
Table 59.0%Crown 33.3°Girdle: MediumPavilion 40.4°Culet: NoneDepth 59.2%

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: $1,870 USD|Low: $267 USD|High: $2,180 USD|Avg: $787 USD|-14.2%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 19
October 29, 2026
Retailer 8$270 USD
Retailer 18$301 USD
Retailer 4$313 USD
Retailer 5$334 USD
Retailer 10$334 USD
Retailer 14$495 USD
Retailer 12$554 USD
Retailer 6$555 USD
Retailer 13$574 USD
Retailer 2$585 USD
Retailer 7$778 USD
Retailer 3$1,027 USD
Retailer 11$1,075 USD
Retailer 17$1,081 USD
Retailer 9$1,126 USD
Retailer 16$1,190 USD
Retailer 15$1,341 USD
Retailer 19$1,580 USD
Brilliant Earth$1,870 USD

33 data points across 19 retailers

19 retailers$270 USD to $1,870 USD

A
Cheapest Retailer
-
$270 USD
A
Retailer 2
-
$301 USD
View
Final sale: no returns
A
Retailer 3
-
$313 USD
View
A
Retailer 4
-
$334 USD
View
A
Retailer 5
-
$334 USD
View
A
Retailer 6
-
$495 USD
View
A
Retailer 7
-
$554 USD
€528 EUR
View
A
Retailer 8
-
$555 USD
View
A
Retailer 9
-
$574 USD
ZAR 9,279 ZAR
View
A
Retailer 10
-
$585 USD
£461 GBP
View
A
Retailer 11
-
$778 USD
View
B+
Retailer 12
-
$1,027 USD
View
B+
Retailer 13
-
$1,075 USD
View
B+
Retailer 14
-
$1,081 USD
SGD 1,461 SGD
View
B+
Retailer 15
-
$1,126 USD
View
B+
Retailer 16
-
$1,190 USD
View
B+
Retailer 17
-
$1,341 USD
£1,056 GBP
View
B
Retailer 18
-
$1,580 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21421956A · Oct 29
$1,870 USD
View
18 more retailers have this diamond
Prices start from $270 USDSave up to $1,600 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
$270 USD