CaratHunter
Plans
Oval|Lab Grown|IGI

1.83ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG476186126

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG476186126

Diamond specifications and retailer prices

From $1,792 NZD
$1,010 USD
As of October 31, 2026
Save $7,465 NZD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,257 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.83ct lab-grown oval diamond

This 1.83ct 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 LG476186126 or 476186126. Listed at 12 retailers as of October 31, 2026, with prices from $1,792 to $9,257, a $7,465 spread on the same certified stone. MOH London lists it at $9,257. 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

1.83
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476186126
Dimensions9.65 × 6.99 × 4.27 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.65 mm6.99 mm1.83 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476186126
Side View
Table 56.5%Crown 35.5°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 61.1%

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: $9,257 NZD|Low: $1,792 NZD|High: $9,381 NZD|Avg: $4,580 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
Retailer 15
November 1, 2026
Retailer 10$1,792 NZD
Retailer 9$2,795 NZD
Retailer 14$3,039 NZD
Retailer 15$3,128 NZD
Retailer 3$3,242 NZD
Retailer 11$3,242 NZD
Retailer 4$3,540 NZD
Retailer 7$3,568 NZD
Retailer 5$4,383 NZD
Retailer 2$4,628 NZD
Retailer 12$5,101 NZD
Retailer 8$5,731 NZD
Retailer 13$6,075 NZD
MOH London$9,257 NZD
Retailer 6$9,279 NZD

26 data points across 15 retailers

12 retailers$1,792 NZD to $9,257 NZD

A
Cheapest Retailer
-
$1,792 NZD
$1,010 USD
A
Retailer 2
-
$2,795 NZD
$1,575 USD
View
B+
Retailer 3
-
$3,039 NZD
$1,713 USD
View
B+
Retailer 4
-
$3,128 NZD
$1,763 USD
View
Final sale: no returns
Retailer 5
-
$3,242 NZD
$1,827 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$3,242 NZD
$1,827 USD
View
B+
Retailer 7
-
$3,540 NZD
$1,995 USD
View
B+
Retailer 8
-
$4,628 NZD
£2,054 GBP
View
B
Retailer 9
-
$5,101 NZD
$2,875 USD
View
B
Retailer 10
-
$5,731 NZD
$3,230 USD
View
B
Retailer 11
-
$6,075 NZD
$3,424 USD
View
Most Expensive
B
MOH London
LG476186126 · Nov 1
$9,257 NZD
£4,108 GBP
View
11 more retailers have this diamond
Prices start from $1,792 NZDSave up to $7,465 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
1.83ct Oval
$1,792 NZD