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Radiant|Lab Grown|IGI

1.09ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG783648796

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

Certificate IGI LG783648796

Diamond specifications and retailer prices

From $789 NZD
$444 USD
As of November 1, 2026
Save $3,281 NZD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,070 NZD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1.09ct lab-grown radiant diamond

This 1.09ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG783648796 or 783648796. Listed at 11 retailers as of November 1, 2026, with prices from $789 to $4,070, a $3,281 spread on the same certified stone. Rare Carat lists it at $4,070. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.6°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783648796
Dimensions7.28 × 5.01 × 3.41 mm
L/W Ratio1.45
Culet sizePointed
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
7.28 mm5.01 mm1.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783648796
Side View
Table 67.0%Crown 29.6°Girdle: Slightly ThickPavilion 36.6°Culet: NoneDepth 68.1%

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: $4,070 NZD|Low: $648 NZD|High: $5,136 NZD|Avg: $2,368 NZD|+9.8%
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
November 1, 2026
Retailer 6$648 NZD
Retailer 10$789 NZD
Retailer 12$1,004 NZD
Retailer 9$1,473 NZD
Retailer 11$1,748 NZD
Retailer 4$1,778 NZD
Retailer 13$1,862 NZD
Retailer 5$1,863 NZD
Retailer 2$2,020 NZD
Retailer 14$2,154 NZD
Retailer 7$2,844 NZD
Retailer 8$3,537 NZD
Retailer 3$3,568 NZD
Rare Carat$4,070 NZD

18 data points across 14 retailers

11 retailers$789 NZD to $4,070 NZD

Retailer 1
-
$489 NZD
$275 USD
Price last confirmed 32 days ago
Retailer 2
-
$590 NZD
$332 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$789 NZD
$444 USD
View
B+
Retailer 4
-
$1,473 NZD
$829 USD
View
Retailer 5
-
$1,566 NZD
$881 USD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
$1,748 NZD
$983 USD
View
B+
Retailer 7
-
$2,020 NZD
£895 GBP
View
Retailer 8
-
$2,239 NZD
$1,260 USD
View
Price last confirmed 33 days ago
B
Retailer 9
-
$2,844 NZD
$1,600 USD
View
B
Retailer 10
-
$3,537 NZD
$1,990 USD
View
Most Expensive
B
Rare Carat
HL-178137 · Nov 1
$4,070 NZD
$2,290 USD
View
10 more retailers have this diamond
Prices start from $789 NZDSave up to $3,281 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
1.09ct Radiant
$789 NZD