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Oval|Lab Grown|IGI

1.21ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG839683856

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839683856

Diamond specifications and retailer prices

From $559 NZD
As of November 3, 2026
Save $4,604 NZD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,162 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 LG839683856 or 839683856. Listed at 24 retailers as of November 3, 2026, with prices from $559 to $5,162, a $4,604 spread on the same certified stone. Brilliant Earth lists it at $5,162. 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 angle34.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839683856
Dimensions8.77 × 6.03 × 3.71 mm
L/W Ratio1.45
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
8.77 mm6.03 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839683856
Side View
Table 62.0%Crown 34.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.5%

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 3
Current: $5,162 NZD|Low: $536 NZD|High: $5,162 NZD|Avg: $1,702 NZD
Brilliant Earth
Retailer 2
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November 5, 2026
Retailer 3$559 NZD
Retailer 23$648 NZD
Retailer 15$687 NZD
Retailer 6$692 NZD
Retailer 9$692 NZD
Retailer 7$715 NZD
Retailer 22$967 NZD
Retailer 17$1,043 NZD
Retailer 21$1,080 NZD
Retailer 11$1,096 NZD
Retailer 10$1,123 NZD
Retailer 20$1,194 NZD
Retailer 19$1,221 NZD
Retailer 14$1,403 NZD
Retailer 8$1,481 NZD
Retailer 4$2,226 NZD
Retailer 16$2,306 NZD
Retailer 24$2,439 NZD
Retailer 18$2,487 NZD
Retailer 2$2,766 NZD
Retailer 12$2,766 NZD
Retailer 13$2,812 NZD
Retailer 5$2,881 NZD
Retailer 25$4,155 NZD
Brilliant Earth$5,162 NZD

33 data points across 25 retailers

24 retailers$559 NZD to $5,162 NZD

A
Cheapest Retailer
-
$559 NZD
A
Retailer 2
-
$648 NZD
View
A
Retailer 3
-
$687 NZD
View
Final sale: no returns
Retailer 4
-
$692 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$692 NZD
View
A
Retailer 6
-
$967 NZD
View
A
Retailer 7
-
$1,043 NZD
View
A
Retailer 8
-
$1,080 NZD
View
A
Retailer 9
-
$1,096 NZD
View
B+
Retailer 10
-
$1,123 NZD
View
A
Retailer 11
-
$1,194 NZD
View
B+
Retailer 12
-
$1,221 NZD
View
B+
Retailer 13
-
$1,403 NZD
View
B+
Retailer 14
-
$1,481 NZD
View
B+
Retailer 15
-
$2,226 NZD
View
B
Retailer 16
-
$2,306 NZD
View
B+
Retailer 17
-
$2,439 NZD
View
B
Retailer 18
-
$2,487 NZD
View
B+
Retailer 19
-
$2,766 NZD
View
B
Retailer 20
-
$2,766 NZD
View
B+
Retailer 21
-
$2,812 NZD
View
B
Retailer 22
-
$2,881 NZD
View
B
Retailer 23
-
$4,155 NZD
View
Most Expensive
B
Brilliant Earth
22461604A · Nov 4
$5,162 NZD
$2,910 USD
View
23 more retailers have this diamond
Prices start from $559 NZDSave up to $4,604 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
$559 NZD