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Radiant|Lab Grown|IGI

1.30ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG836617800

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

Certificate IGI LG836617800

Diamond specifications and retailer prices

From $620 NZD
£275 GBP
As of November 2, 2026
Save $3,948 NZD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,199 NZD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.3ct lab-grown radiant diamond

This 1.3ct 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 LG836617800 or 836617800. Listed at 13 retailers as of November 2, 2026, with a 637% 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

1.30
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617800
Dimensions7.46 × 5.52 × 3.64 mm
L/W Ratio1.35
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
7.46 mm5.52 mm1.30 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617800
Side View
Table 66.0%Crown 46.8°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 65.9%

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 2
Current: $5,199 NZD|Low: $620 NZD|High: $6,878 NZD|Avg: $2,202 NZD|-0.5%
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 2$620 NZD
Retailer 4$768 NZD
Retailer 6$850 NZD
Retailer 7$1,111 NZD
Retailer 9$1,150 NZD
Retailer 3$1,354 NZD
Retailer 15$1,462 NZD
Retailer 13$1,524 NZD
Retailer 16$1,632 NZD
Retailer 14$2,193 NZD
Retailer 12$2,274 NZD
Retailer 11$2,558 NZD
Retailer 8$2,799 NZD
Retailer 5$3,361 NZD
Retailer 10$4,568 NZD
Rare Carat$5,199 NZD

13 data points across 16 retailers

13 retailers$620 NZD to $4,568 NZD

A
Cheapest Retailer
-
$620 NZD
£275 GBP
Retailer 2
-
$658 NZD
$370 USD
View
Price last confirmed 28 days ago
A
Retailer 3
-
$768 NZD
$432 USD
View
Final sale: no returns
Retailer 4
-
$850 NZD
$478 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
$1,150 NZD
€616 EUR
View
Retailer 6
-
$1,462 NZD
ZAR 13,286 ZAR
View
Price last confirmed 28 days ago
Retailer 7
-
$2,193 NZD
$1,234 USD
View
Price last confirmed 28 days ago
B+
Retailer 8
-
$2,274 NZD
SGD 1,729 SGD
View
B
Retailer 9
-
$2,558 NZD
$1,439 USD
View
Retailer 10
-
$2,799 NZD
$1,575 USD
View
Price last confirmed 29 days ago
Retailer 11
-
$3,361 NZD
£1,489 GBP
View
Price last confirmed 29 days ago
B
Retailer 12
-
$4,568 NZD
$2,570 USD
View
Most Expensive
Rare Carat
JH-247174 · Oct 21
$5,199 NZD
$2,925 USD
View
Price last confirmed 12 days ago
12 more retailers have this diamond
Prices start from $620 NZDSave up to $3,948 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
1.30ct Radiant
$620 NZD