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Oval|Lab Grown|IGI

1.85ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG436072551

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436072551

Diamond specifications and retailer prices

From $1,810 NZD
$1,020 USD
As of October 31, 2026
Save $7,596 NZD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,406 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.85ct lab-grown oval diamond

This 1.85ct 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 LG436072551 or 436072551. Listed at 10 retailers as of October 29, 2026, with prices from $1,810 to $9,406, a $7,596 spread on the same certified stone. MOH London lists it at $9,406. 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

1.85
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.1°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436072551
Dimensions9.45 × 7.14 × 4.42 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.45 mm7.14 mm1.85 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436072551
Side View
Table 60.0%Crown 32.1°Girdle: MED-THKPavilion 42.1°Culet: NoneDepth 61.9%

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: $9,406 NZD|Low: $1,810 NZD|High: $9,480 NZD|Avg: $4,779 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 18, 2026
Retailer 4$1,810 NZD
Retailer 3$2,825 NZD
Retailer 5$3,275 NZD
Retailer 7$3,575 NZD
Retailer 8$4,425 NZD
Retailer 6$5,153 NZD
Retailer 2$5,793 NZD
MOH London$9,406 NZD

11 data points across 8 retailers

10 retailers$1,810 NZD to $9,406 NZD

A
Cheapest Retailer
-
$1,810 NZD
$1,020 USD
A
Retailer 2
-
$2,825 NZD
$1,592 USD
View
B+
Retailer 3
-
$3,073 NZD
$1,732 USD
View
B+
Retailer 4
-
$3,275 NZD
$1,846 USD
View
Retailer 5
-
$3,275 NZD
$1,846 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$3,575 NZD
$2,015 USD
View
B
Retailer 7
-
$5,153 NZD
$2,904 USD
View
B
Retailer 8
-
$5,793 NZD
$3,265 USD
View
B
Retailer 9
-
$6,141 NZD
$3,461 USD
View
Most Expensive
B
MOH London
LG436072551 · Oct 29
$9,406 NZD
£4,174 GBP
View
9 more retailers have this diamond
Prices start from $1,810 NZDSave up to $7,596 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
1.85ct Oval
$1,810 NZD