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Oval|Lab Grown|IGI

1.54ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG436047613

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436047613

Diamond specifications and retailer prices

From $1,511 NZD
$850 USD
As of October 31, 2026
Save $7,297 NZD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,807 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.54ct lab-grown oval diamond

This 1.54ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047613 or 436047613. Listed at 12 retailers as of October 31, 2026, with prices from $1,511 to $8,807, a $7,297 spread on the same certified stone. MOH London lists it at $8,807. 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

1.54
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047613
Dimensions8.82 × 6.60 × 4.11 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.82 mm6.60 mm1.54 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436047613
Side View
Table 57.5%Crown 36.7°Girdle: STK-THKPavilion 40°Culet: NoneDepth 62.3%

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: $8,807 NZD|Low: $1,511 NZD|High: $8,925 NZD|Avg: $4,030 NZD|-1.1%
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
November 1, 2026
Retailer 7$1,511 NZD
Retailer 8$2,364 NZD
Retailer 12$2,572 NZD
Retailer 13$2,645 NZD
Retailer 9$2,741 NZD
Retailer 14$2,741 NZD
Retailer 3$3,048 NZD
Retailer 5$3,770 NZD
Retailer 2$3,914 NZD
Retailer 10$4,335 NZD
Retailer 4$5,110 NZD
Retailer 11$5,138 NZD
Retailer 6$7,848 NZD
MOH London$8,807 NZD

39 data points across 14 retailers

12 retailers$1,511 NZD to $8,807 NZD

A
Cheapest Retailer
-
$1,511 NZD
$850 USD
A
Retailer 2
-
$2,364 NZD
$1,330 USD
View
B+
Retailer 3
-
$2,572 NZD
$1,447 USD
View
B+
Retailer 4
-
$2,645 NZD
$1,488 USD
View
Final sale: no returns
Retailer 5
-
$2,741 NZD
$1,542 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$2,741 NZD
$1,542 USD
View
B+
Retailer 7
-
$3,048 NZD
$1,715 USD
View
B+
Retailer 8
-
$3,914 NZD
£1,734 GBP
View
B
Retailer 9
-
$4,335 NZD
$2,439 USD
View
B
Retailer 10
-
$5,110 NZD
$2,875 USD
View
B
Retailer 11
-
$5,138 NZD
$2,891 USD
View
Most Expensive
B
MOH London
LG436047613 · Nov 1
$8,807 NZD
£3,902 GBP
View
11 more retailers have this diamond
Prices start from $1,511 NZDSave up to $7,297 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
1.54ct Oval
$1,511 NZD