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Oval|Lab Grown|IGI

1.21ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG813651478

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG813651478

Diamond specifications and retailer prices

From $452 NZD
As of November 3, 2026
Save $5,739 NZD (93%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,191 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.21ct lab-grown oval diamond

This 1.21ct lab-grown oval 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 LG813651478 or 813651478. Listed at 24 retailers as of November 3, 2026, with prices from $452 to $6,191, a $5,739 spread on the same certified stone. Brilliant Earth lists it at $6,191. 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 angle31.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813651478
Dimensions8.84 × 5.95 × 3.69 mm
L/W Ratio1.49
Girdle conditionFaceted
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
8.84 mm5.95 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813651478
Side View
Table 58.0%Crown 31.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A+
Exceptional
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 3
Current: $6,191 NZD|Low: $452 NZD|High: $6,191 NZD|Avg: $1,958 NZD|+0.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
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Retailer 17
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Retailer 19
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Retailer 22
Retailer 23
November 5, 2026
Retailer 3$452 NZD
Retailer 10$507 NZD
Retailer 22$525 NZD
Retailer 11$562 NZD
Retailer 12$562 NZD
Retailer 7$750 NZD
Retailer 21$843 NZD
Retailer 4$976 NZD
Retailer 5$1,068 NZD
Retailer 20$1,068 NZD
Retailer 17$1,082 NZD
Retailer 23$1,726 NZD
Retailer 18$1,898 NZD
Retailer 19$1,937 NZD
Retailer 6$1,994 NZD
Retailer 14$2,288 NZD
Retailer 9$2,427 NZD
Retailer 2$2,478 NZD
Retailer 16$2,501 NZD
Retailer 13$2,776 NZD
Retailer 8$4,027 NZD
Retailer 15$4,155 NZD
Brilliant Earth$6,191 NZD

37 data points across 23 retailers

24 retailers$452 NZD to $6,191 NZD

A+
Cheapest Retailer
-
$452 NZD
A
Retailer 2
-
$507 NZD
View
Final sale: no returns
A
Retailer 3
-
$525 NZD
View
Retailer 4
-
$562 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$562 NZD
View
A
Retailer 6
-
$750 NZD
View
A
Retailer 7
-
$843 NZD
View
A
Retailer 8
-
$1,068 NZD
View
A
Retailer 9
-
$1,068 NZD
View
A
Retailer 10
-
$1,082 NZD
View
B+
Retailer 11
-
$1,726 NZD
View
B
Retailer 12
-
$1,898 NZD
View
B+
Retailer 13
-
$1,937 NZD
View
B+
Retailer 14
-
$1,994 NZD
View
B
Retailer 15
-
$2,288 NZD
View
B
Retailer 16
-
$2,427 NZD
View
B+
Retailer 17
-
$2,478 NZD
View
B
Retailer 18
-
$2,501 NZD
View
B+
Retailer 19
-
$2,776 NZD
View
B
Retailer 20
-
$4,027 NZD
View
B
Retailer 21
-
$4,155 NZD
View
B
Retailer 22
-
$6,156 NZD
View
B
Retailer 23
-
$6,156 NZD
View
Most Expensive
B
Brilliant Earth
21803537A · Nov 4
$6,191 NZD
$3,490 USD
View
23 more retailers have this diamond
Prices start from $452 NZDSave up to $5,739 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 Oval
$452 NZD