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Oval|Lab Grown|IGI

1.54ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445037120

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037120

Diamond specifications and retailer prices

From $1,490 NZD
$840 USD
As of October 31, 2026
Save $7,302 NZD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,793 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 LG445037120 or 445037120. Listed at 12 retailers as of October 31, 2026, with prices from $1,490 to $8,793, a $7,302 spread on the same certified stone. MOH London lists it at $8,793. 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
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037120
Dimensions8.92 × 6.61 × 4.16 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.92 mm6.61 mm1.54 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445037120
Side View
Table 57.5%Crown 34.9°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 62.9%

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: $8,793 NZD|Low: $1,490 NZD|High: $8,899 NZD|Avg: $4,026 NZD
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 8$1,490 NZD
Retailer 7$2,360 NZD
Retailer 12$2,567 NZD
Retailer 13$2,640 NZD
Retailer 9$2,736 NZD
Retailer 14$2,736 NZD
Retailer 3$3,043 NZD
Retailer 5$3,763 NZD
Retailer 2$3,907 NZD
Retailer 10$4,328 NZD
Retailer 4$5,101 NZD
Retailer 11$5,130 NZD
Retailer 6$7,835 NZD
MOH London$8,793 NZD

38 data points across 14 retailers

12 retailers$1,490 NZD to $8,793 NZD

A
Cheapest Retailer
-
$1,490 NZD
$840 USD
B+
Retailer 2
-
$2,360 NZD
$1,330 USD
View
B+
Retailer 3
-
$2,567 NZD
$1,447 USD
View
B+
Retailer 4
-
$2,640 NZD
$1,488 USD
View
Final sale: no returns
Retailer 5
-
$2,736 NZD
$1,542 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$2,736 NZD
$1,542 USD
View
B+
Retailer 7
-
$3,043 NZD
$1,715 USD
View
B
Retailer 8
-
$3,907 NZD
£1,734 GBP
View
B
Retailer 9
-
$4,328 NZD
$2,439 USD
View
B
Retailer 10
-
$5,101 NZD
$2,875 USD
View
B
Retailer 11
-
$5,130 NZD
$2,891 USD
View
Most Expensive
B
MOH London
LG445037120 · Nov 1
$8,793 NZD
£3,902 GBP
View
11 more retailers have this diamond
Prices start from $1,490 NZDSave up to $7,302 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
$1,490 NZD