CaratHunter
Plans
Oval|Lab Grown|IGI

1.80ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG442066527

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG442066527

Diamond specifications and retailer prices

From $1,760 NZD
$990 USD
As of October 31, 2026
Save $7,364 NZD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,123 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.8ct lab-grown oval diamond

This 1.8ct 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 LG442066527 or 442066527. Listed at 11 retailers as of October 31, 2026, with prices from $1,760 to $9,123, a $7,364 spread on the same certified stone. MOH London lists it at $9,123. 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

1.80
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442066527
Dimensions9.47 × 6.83 × 4.34 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
9.47 mm6.83 mm1.80 ctI / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG442066527
Side View
Table 57.5%Crown 35.8°Girdle: STK-VTKPavilion 40.8°Culet: NoneDepth 63.5%

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: $9,123 NZD|Low: $1,760 NZD|High: $9,232 NZD|Avg: $4,599 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
November 1, 2026
Retailer 6$1,760 NZD
Retailer 5$2,753 NZD
Retailer 9$3,084 NZD
Retailer 7$3,194 NZD
Retailer 10$3,194 NZD
Retailer 11$3,501 NZD
Retailer 4$3,541 NZD
Retailer 12$4,326 NZD
Retailer 8$5,026 NZD
Retailer 2$5,648 NZD
MOH London$9,123 NZD
Retailer 3$9,146 NZD

13 data points across 12 retailers

11 retailers$1,760 NZD to $9,123 NZD

A
Cheapest Retailer
-
$1,760 NZD
$990 USD
B+
Retailer 2
-
$2,753 NZD
$1,549 USD
View
B+
Retailer 3
-
$2,997 NZD
$1,686 USD
View
B+
Retailer 4
-
$3,084 NZD
$1,735 USD
View
Final sale: no returns
Retailer 5
-
$3,194 NZD
$1,797 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$3,194 NZD
$1,797 USD
View
B+
Retailer 7
-
$3,501 NZD
$1,970 USD
View
B
Retailer 8
-
$5,026 NZD
$2,828 USD
View
B
Retailer 9
-
$5,648 NZD
$3,178 USD
View
B
Retailer 10
-
$5,988 NZD
$3,369 USD
View
Most Expensive
B
MOH London
LG442066527 · Nov 1
$9,123 NZD
£4,042 GBP
View
10 more retailers have this diamond
Prices start from $1,760 NZDSave up to $7,364 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
1.80ct Oval
$1,760 NZD