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Radiant|Lab Grown|IGI

1.21ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG763641994

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

Certificate IGI LG763641994

Diamond specifications and retailer prices

From $671 NZD
$378 USD
As of October 30, 2026
Save $3,197 NZD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,152 NZD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.21ct lab-grown radiant diamond

This 1.21ct 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 LG763641994 or 763641994. Listed at 13 retailers as of October 30, 2026, with a 477% 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

1.21
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763641994
Dimensions7.33 × 5.47 × 3.58 mm
L/W Ratio1.34
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
7.33 mm5.47 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG763641994
Side View
Table 64.0%Crown 40.5°Girdle: Slightly ThickPavilion 36.7°Culet: NoneDepth 65.4%

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: Oct 30
Current: $4,152 NZD|Low: $671 NZD|High: $5,696 NZD|Avg: $2,537 NZD|+6.2%
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
October 30, 2026
Retailer 15$671 NZD
Retailer 12$850 NZD
Retailer 9$926 NZD
Retailer 3$1,451 NZD
Retailer 11$1,613 NZD
Retailer 14$1,739 NZD
Retailer 5$1,859 NZD
Retailer 6$1,860 NZD
Retailer 13$1,875 NZD
Retailer 8$2,224 NZD
Retailer 2$3,371 NZD
Retailer 7$3,772 NZD
Retailer 10$3,868 NZD
Rare Carat$4,152 NZD
Retailer 4$4,606 NZD

27 data points across 15 retailers

13 retailers$671 NZD to $3,868 NZD

Retailer 1
-
$536 NZD
$302 USD
Price last confirmed 27 days ago
Retailer 2
-
$648 NZD
$365 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
$671 NZD
$378 USD
View
Final sale: no returns
A
Retailer 4
-
$850 NZD
$479 USD
View
A
Retailer 5
-
$926 NZD
$522 USD
View
B+
Retailer 6
-
$1,613 NZD
$909 USD
View
Retailer 7
-
$1,737 NZD
$979 USD
View
Price last confirmed 27 days ago
B+
Retailer 8
-
$1,875 NZD
$1,057 USD
View
B+
Retailer 9
-
$2,224 NZD
£987 GBP
View
Retailer 10
-
$2,459 NZD
$1,386 USD
View
Price last confirmed 28 days ago
B
Retailer 11
-
$3,371 NZD
$1,900 USD
View
B
Retailer 12
-
$3,868 NZD
$2,180 USD
View
Most Expensive
Rare Carat
VL-128528 · Oct 18
$4,152 NZD
$2,340 USD
View
Price last confirmed 13 days ago
12 more retailers have this diamond
Prices start from $671 NZDSave up to $3,197 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
1.21ct Radiant
$671 NZD