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Radiant|Lab Grown|IGI

1.31ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG825661384

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

Certificate IGI LG825661384

Diamond specifications and retailer prices

From $594 NZD
$334 USD
As of November 1, 2026
Save $4,010 NZD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,234 NZD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.31ct lab-grown radiant diamond

This 1.31ct 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 LG825661384 or 825661384. Listed at 19 retailers as of November 1, 2026, with a 675% 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

1.31
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.9°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825661384
Dimensions7.53 × 5.46 × 3.78 mm
L/W Ratio1.38
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
7.53 mm5.46 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825661384
Side View
Table 63.0%Crown 25.9°Girdle: MediumPavilion 38.2°Culet: NoneDepth 69.2%

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: Nov 1
Current: $5,234 NZD|Low: $594 NZD|High: $7,145 NZD|Avg: $2,179 NZD|-1.5%
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
November 2, 2026
Retailer 15$594 NZD
Retailer 2$624 NZD
Retailer 8$857 NZD
Retailer 13$969 NZD
Retailer 3$1,022 NZD
Retailer 10$1,071 NZD
Retailer 9$1,096 NZD
Retailer 12$1,159 NZD
Retailer 5$1,591 NZD
Retailer 16$1,909 NZD
Retailer 6$1,934 NZD
Retailer 4$2,086 NZD
Retailer 7$2,294 NZD
Retailer 11$2,490 NZD
Retailer 14$4,603 NZD
Rare Carat$5,234 NZD

32 data points across 16 retailers

19 retailers$594 NZD to $4,603 NZD

A
Cheapest Retailer
-
$594 NZD
$334 USD
Final sale: no returns
A
Retailer 2
-
$624 NZD
£277 GBP
View
Retailer 3
-
$663 NZD
$373 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$773 NZD
$435 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$857 NZD
$482 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$969 NZD
$545 USD
View
A
Retailer 7
-
$1,022 NZD
$575 USD
View
A
Retailer 8
-
$1,071 NZD
ZAR 9,734 ZAR
View
A
Retailer 9
-
$1,096 NZD
£485 GBP
View
A
Retailer 10
-
$1,159 NZD
€621 EUR
View
B+
Retailer 11
-
$1,591 NZD
$895 USD
View
B+
Retailer 12
-
$1,909 NZD
$1,074 USD
View
B+
Retailer 13
-
$1,934 NZD
$1,088 USD
View
B+
Retailer 14
-
$2,086 NZD
$1,174 USD
View
B+
Retailer 15
-
$2,294 NZD
SGD 1,744 SGD
View
B+
Retailer 16
-
$2,490 NZD
£1,103 GBP
View
Retailer 17
-
$2,751 NZD
$1,548 USD
View
Price last confirmed 33 days ago
B
Retailer 18
-
$4,603 NZD
$2,590 USD
View
Most Expensive
Rare Carat
PD-244044 · Oct 21
$5,234 NZD
$2,945 USD
View
Price last confirmed 12 days ago
18 more retailers have this diamond
Prices start from $594 NZDSave up to $4,010 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
1.31ct Radiant
$594 NZD