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Oval|Lab Grown|IGI

1.20ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG772610749

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG772610749

Diamond specifications and retailer prices

From $308 NZD
As of November 5, 2026
Save $1,481 NZD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,789 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct lab-grown oval diamond

This 1.2ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG772610749 or 772610749. Listed at 17 retailers as of November 2, 2026, with prices from $308 to $1,789, a $1,481 spread on the same certified stone. MOH London lists it at $1,789. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.20
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.7°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772610749
Dimensions8.35 × 3.62 × 3.62 mm
L/W Ratio2.31
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.35 mm3.62 mm1.20 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG772610749
Side View
Table 64.0%Crown 36.7°Girdle: MED-THKPavilion 39°Culet: NoneDepth 60.3%

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 5
Current: $1,789 NZD|Low: $294 NZD|High: $2,074 NZD|Avg: $919 NZD|+0.1%
MOH London
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 6, 2026
Retailer 4$308 NZD
Retailer 16$343 NZD
Retailer 14$359 NZD
Retailer 12$382 NZD
Retailer 6$384 NZD
Retailer 2$673 NZD
Retailer 3$684 NZD
Retailer 7$781 NZD
Retailer 15$967 NZD
Retailer 11$980 NZD
Retailer 10$1,091 NZD
Retailer 13$1,230 NZD
Retailer 8$1,257 NZD
Retailer 9$1,281 NZD
Retailer 5$1,328 NZD
MOH London$1,789 NZD

34 data points across 16 retailers

17 retailers$308 NZD to $1,789 NZD

A
Cheapest Retailer
-
$308 NZD
A
Retailer 2
-
$343 NZD
View
Final sale: no returns
A
Retailer 3
-
$359 NZD
View
Retailer 4
-
$366 NZD
View
Price last confirmed 48 days ago
A
Retailer 5
-
$382 NZD
View
Retailer 6
-
$384 NZD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$673 NZD
View
A
Retailer 8
-
$684 NZD
View
A
Retailer 9
-
$781 NZD
View
B+
Retailer 10
-
$967 NZD
View
B+
Retailer 11
-
$980 NZD
View
B+
Retailer 12
-
$1,091 NZD
View
B
Retailer 13
-
$1,230 NZD
View
B
Retailer 14
-
$1,257 NZD
View
B+
Retailer 15
-
$1,281 NZD
View
B+
Retailer 16
-
$1,328 NZD
View
Most Expensive
B
MOH London
LG772610749 · Nov 2
$1,789 NZD
£781 GBP
View
16 more retailers have this diamond
Prices start from $308 NZDSave up to $1,481 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
1.20ct Oval
$308 NZD