CaratHunter
Plans
Oval|Lab Grown|IGI

1.81ct K SI2 Oval Lab Grown Diamond

ID • K/SI2 • IGI LG447000090

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447000090

Diamond specifications and retailer prices

From $3,698 NZD
As of November 5, 2026
Save $8,517 NZD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $12,215 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1.81ct lab-grown oval diamond

This 1.81ct lab-grown oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447000090 or 447000090. Listed at 8 retailers as of November 5, 2026, with prices from $3,698 to $12,215, a $8,517 spread on the same certified stone. MOH London lists it at $12,215. 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

1.81
Carat
K
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000090
Dimensions9.43 × 6.97 × 4.37 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
9.43 mm6.97 mm1.81 ctK / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447000090
Side View
Table 57.5%Crown 36.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $12,215 NZD|Low: $3,550 NZD|High: $12,412 NZD|Avg: $6,601 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3$3,698 NZD
Retailer 7$4,023 NZD
Retailer 4$4,288 NZD
Retailer 8$5,466 NZD
Retailer 6$5,895 NZD
Retailer 5$6,709 NZD
Retailer 2$6,878 NZD
Retailer 9$9,597 NZD
MOH London$12,215 NZD

14 data points across 9 retailers

8 retailers$3,698 NZD to $12,215 NZD

B+
Cheapest Retailer
-
$3,698 NZD
B+
Retailer 2
-
$4,023 NZD
View
Retailer 3
-
$4,288 NZD
View
Price last confirmed 26 days ago
B
Retailer 4
-
$4,288 NZD
View
B
Retailer 5
-
$5,895 NZD
View
B
Retailer 6
-
$6,709 NZD
View
B
Retailer 7
-
$6,878 NZD
View
Most Expensive
B
MOH London
LG447000090 · Nov 5
$12,215 NZD
£5,332 GBP
View
7 more retailers have this diamond
Prices start from $3,698 NZDSave up to $8,517 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.

B+
1.81ct Oval
$3,698 NZD