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Radiant|Lab Grown|IGI

1.27ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG831604107

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

Certificate IGI LG831604107

Diamond specifications and retailer prices

From $658 NZD
$370 USD
As of November 1, 2026
Save $5,207 NZD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,865 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG831604107 or 831604107. Listed at 16 retailers as of October 31, 2026, with prices from $658 to $5,865, a $5,207 spread on the same certified stone. Brilliant Earth lists it at $5,865. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604107
Dimensions7.86 × 5.25 × 3.47 mm
L/W Ratio1.50
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
7.86 mm5.25 mm1.27 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604107
Side View
Table 65.0%Crown 42.9°Girdle: MediumPavilion 32.3°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,865 NZD|Low: $658 NZD|High: $5,865 NZD|Avg: $2,087 NZD
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
November 2, 2026
Retailer 4$658 NZD
Retailer 2$751 NZD
Retailer 3$796 NZD
Retailer 7$995 NZD
Retailer 13$1,004 NZD
Retailer 9$1,258 NZD
Retailer 15$1,267 NZD
Retailer 10$1,306 NZD
Retailer 14$1,537 NZD
Retailer 8$1,879 NZD
Retailer 5$2,336 NZD
Retailer 16$2,424 NZD
Retailer 6$2,634 NZD
Retailer 12$2,865 NZD
Retailer 11$2,925 NZD
Brilliant Earth$5,865 NZD

17 data points across 16 retailers

16 retailers$658 NZD to $5,865 NZD

A
Cheapest Retailer
-
$658 NZD
$370 USD
Final sale: no returns
A
Retailer 2
-
$751 NZD
£333 GBP
View
A
Retailer 3
-
$796 NZD
HK$3,500 HKD
View
A
Retailer 4
-
$995 NZD
$560 USD
View
A
Retailer 5
-
$1,004 NZD
$565 USD
View
A
Retailer 6
-
$1,258 NZD
ZAR 11,438 ZAR
View
A
Retailer 7
-
$1,267 NZD
€679 EUR
View
A
Retailer 8
-
$1,306 NZD
£579 GBP
View
B+
Retailer 9
-
$1,537 NZD
$865 USD
View
B+
Retailer 10
-
$1,879 NZD
$1,057 USD
View
B+
Retailer 11
-
$2,336 NZD
SGD 1,776 SGD
View
B+
Retailer 12
-
$2,424 NZD
$1,364 USD
View
B+
Retailer 13
-
$2,634 NZD
$1,482 USD
View
B+
Retailer 14
-
$2,865 NZD
$1,612 USD
View
B+
Retailer 15
-
$2,925 NZD
£1,296 GBP
View
Most Expensive
B
Brilliant Earth
22154082A · Oct 31
$5,865 NZD
$3,300 USD
View
15 more retailers have this diamond
Prices start from $658 NZDSave up to $5,207 NZD

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
$658 NZD