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Oval|Lab Grown|IGI

1.90ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG490177070

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG490177070

Diamond specifications and retailer prices

From $1,952 NZD
$1,100 USD
As of October 31, 2026
Save $7,652 NZD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,604 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.9ct lab-grown oval diamond

This 1.9ct 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 LG490177070 or 490177070. Listed at 10 retailers as of October 31, 2026, with prices from $1,952 to $9,604, a $7,652 spread on the same certified stone. MOH London lists it at $9,604. 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

1.90
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490177070
Dimensions10.28 × 6.77 × 4.16 mm
L/W Ratio1.52
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
10.28 mm6.77 mm1.90 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490177070
Side View
Table 56.5%Crown 37.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.4%

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: $9,604 NZD|Low: $1,952 NZD|High: $9,732 NZD|Avg: $4,943 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2$1,952 NZD
Retailer 4$2,899 NZD
Retailer 5$3,362 NZD
Retailer 7$3,664 NZD
Retailer 8$4,533 NZD
Retailer 6$5,286 NZD
Retailer 3$5,798 NZD
MOH London$9,604 NZD

16 data points across 8 retailers

10 retailers$1,952 NZD to $9,604 NZD

A
Cheapest Retailer
-
$1,952 NZD
$1,100 USD
A
Retailer 2
-
$2,899 NZD
$1,634 USD
View
B+
Retailer 3
-
$3,155 NZD
$1,778 USD
View
Retailer 4
-
$3,362 NZD
$1,895 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
$3,362 NZD
$1,895 USD
View
B+
Retailer 6
-
$3,664 NZD
$2,065 USD
View
B
Retailer 7
-
$5,286 NZD
$2,979 USD
View
B
Retailer 8
-
$5,798 NZD
$3,268 USD
View
B
Retailer 9
-
$6,304 NZD
$3,553 USD
View
Most Expensive
B
MOH London
LG490177070 · Nov 1
$9,604 NZD
£4,262 GBP
View
9 more retailers have this diamond
Prices start from $1,952 NZDSave up to $7,652 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
1.90ct Oval
$1,952 NZD