Radiant|Lab Grown|IGI

1.27ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG799643975

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG799643975

Diamond specifications and retailer prices

From $324 USD
As of November 1, 2026
Save $1,746 USD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,495 USD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.27ct lab-grown radiant diamond

This 1.27ct lab-grown radiant 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 LG799643975 or 799643975. Listed at 21 retailers as of October 31, 2026, with a 539% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle44.7°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799643975
Dimensions7.66 × 5.58 × 3.56 mm
L/W Ratio1.37
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
7.66 mm5.58 mm1.27 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799643975
Side View
Table 65.0%Crown 44.7°Girdle: MediumPavilion 36.3°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
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: $2,495 USD|Low: $300 USD|High: $3,400 USD|Avg: $1,187 USD|-0.6%
Rare Carat
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 2, 2026
Retailer 11$324 USD
Retailer 8$446 USD
Retailer 14$515 USD
Retailer 3$551 USD
Retailer 10$572 USD
Retailer 16$584 USD
Retailer 13$635 USD
Retailer 2$636 USD
Retailer 5$843 USD
Retailer 17$1,020 USD
Retailer 4$1,118 USD
Retailer 7$1,256 USD
Retailer 12$1,330 USD
Retailer 6$1,406 USD
Retailer 9$1,737 USD
Retailer 15$2,070 USD
Rare Carat$2,495 USD

30 data points across 17 retailers

21 retailers$324 USD to $2,070 USD

A
Cheapest Retailer
-
$324 USD
Final sale: no returns
Retailer 2
-
$345 USD
View
Price last confirmed 30 days ago
Retailer 3
-
$417 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$446 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$515 USD
View
A
Retailer 6
-
$551 USD
View
A
Retailer 7
-
$572 USD
ZAR 9,246 ZAR
View
A
Retailer 8
-
$584 USD
View
A
Retailer 9
-
$635 USD
€605 EUR
View
A
Retailer 10
-
$636 USD
£501 GBP
View
B+
Retailer 11
-
$843 USD
View
Retailer 12
-
$1,016 USD
View
Price last confirmed 27 days ago
B+
Retailer 13
-
$1,020 USD
View
B+
Retailer 14
-
$1,118 USD
View
B+
Retailer 15
-
$1,256 USD
SGD 1,697 SGD
View
B+
Retailer 16
-
$1,330 USD
£1,047 GBP
View
B
Retailer 17
-
$1,406 USD
View
Retailer 18
-
$1,434 USD
View
Price last confirmed 32 days ago
B
Retailer 19
-
$2,070 USD
View
Retailer 20
-
$2,470 USD
View
Price last confirmed 14 days ago
Most Expensive
Rare Carat
7388-U_l_800679998 · Oct 18
$2,495 USD
View
Price last confirmed 14 days ago
20 more retailers have this diamond
Prices start from $324 USDSave up to $1,746 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 Radiant
$324 USD