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Oval|Lab Grown|IGI

1.51ct H SI2 Oval Lab Grown Diamond

ID • H/SI2 • IGI LG445038950

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445038950

Diamond specifications and retailer prices

From $1,490 NZD
$840 USD
As of October 31, 2026
Save $6,532 NZD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,022 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445038950 or 445038950. Listed at 10 retailers as of October 31, 2026, with prices from $1,490 to $8,022, a $6,532 spread on the same certified stone. MOH London lists it at $8,022. 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

1.51
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445038950
Dimensions8.83 × 6.65 × 4.13 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.83 mm6.65 mm1.51 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445038950
Side View
Table 56.5%Crown 34.4°Girdle: MED-THKPavilion 40.9°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
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: Oct 31
Current: $8,022 NZD|Low: $1,490 NZD|High: $8,130 NZD|Avg: $3,749 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4$1,490 NZD
Retailer 2$2,152 NZD
Retailer 8$2,342 NZD
Retailer 9$2,409 NZD
Retailer 5$2,496 NZD
Retailer 11$3,527 NZD
Retailer 6$3,958 NZD
Retailer 7$4,681 NZD
Retailer 10$4,784 NZD
Retailer 3$5,589 NZD
MOH London$8,022 NZD

18 data points across 11 retailers

10 retailers$1,490 NZD to $8,022 NZD

A
Cheapest Retailer
-
$1,490 NZD
$840 USD
A
Retailer 2
-
$2,152 NZD
$1,213 USD
View
B+
Retailer 3
-
$2,342 NZD
$1,320 USD
View
B+
Retailer 4
-
$2,409 NZD
$1,358 USD
View
Final sale: no returns
Retailer 5
-
$2,496 NZD
$1,407 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$2,496 NZD
$1,407 USD
View
B
Retailer 7
-
$3,958 NZD
$2,231 USD
View
B
Retailer 8
-
$4,681 NZD
$2,638 USD
View
B
Retailer 9
-
$4,784 NZD
$2,696 USD
View
Most Expensive
B
MOH London
LG445038950 · Nov 1
$8,022 NZD
£3,560 GBP
View
9 more retailers have this diamond
Prices start from $1,490 NZDSave up to $6,532 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
1.51ct Oval
$1,490 NZD