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Oval|Lab Grown|IGI

1.09ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445035846

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445035846

Diamond specifications and retailer prices

From $1,136 NZD
$640 USD
As of October 31, 2026
Save $6,409 NZD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,544 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.09ct lab-grown oval diamond

This 1.09ct lab-grown oval sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445035846 or 445035846. Listed at 11 retailers as of October 31, 2026, with prices from $1,136 to $7,544, a $6,409 spread on the same certified stone. MOH London lists it at $7,544. 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

1.09
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445035846
Dimensions8.11 × 5.76 × 3.61 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.11 mm5.76 mm1.09 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445035846
Side View
Table 59.5%Crown 34.5°Girdle: MED-THKPavilion 40.9°Culet: NoneDepth 62.7%

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: $7,544 NZD|Low: $1,136 NZD|High: $7,646 NZD|Avg: $3,429 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2$1,136 NZD
Retailer 4$1,918 NZD
Retailer 7$2,147 NZD
Retailer 5$2,225 NZD
Retailer 8$2,225 NZD
Retailer 9$2,537 NZD
Retailer 11$3,169 NZD
Retailer 6$3,543 NZD
Retailer 10$4,512 NZD
Retailer 3$6,370 NZD
MOH London$7,544 NZD

14 data points across 11 retailers

11 retailers$1,136 NZD to $7,544 NZD

A
Cheapest Retailer
-
$1,136 NZD
$640 USD
B+
Retailer 2
-
$1,918 NZD
$1,081 USD
View
B+
Retailer 3
-
$2,087 NZD
$1,176 USD
View
B+
Retailer 4
-
$2,147 NZD
$1,210 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,225 NZD
$1,254 USD
View
Retailer 6
-
$2,225 NZD
$1,254 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
$2,537 NZD
$1,430 USD
View
B
Retailer 8
-
$3,543 NZD
$1,997 USD
View
B
Retailer 9
-
$4,170 NZD
$2,350 USD
View
B
Retailer 10
-
$4,512 NZD
$2,543 USD
View
Most Expensive
B
MOH London
LG445035846 · Nov 1
$7,544 NZD
£3,348 GBP
View
10 more retailers have this diamond
Prices start from $1,136 NZDSave up to $6,409 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
1.09ct Oval
$1,136 NZD