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Oval|Lab Grown|IGI

1.00ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG559282840

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG559282840

Diamond specifications and retailer prices

From $212 AUD
$149 USD
As of October 29, 2026
Save $1,019 AUD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,231 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG559282840 or 559282840. Listed at 13 retailers as of October 26, 2026, with prices from $212 to $1,231, a $1,019 spread on the same certified stone. MOH London lists it at $1,231. 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

1.00
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559282840
Dimensions7.97 × 5.82 × 3.51 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.97 mm5.82 mm1.00 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559282840
Side View
Table 63.5%Crown 34.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.3%

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 29
Current: $1,231 AUD|Low: $204 AUD|High: $1,246 AUD|Avg: $532 AUD|-1.0%
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
October 30, 2026
Retailer 9$212 AUD
Retailer 3$246 AUD
Retailer 10$263 AUD
Retailer 13$263 AUD
Retailer 2$316 AUD
Retailer 5$450 AUD
Retailer 6$456 AUD
Retailer 11$483 AUD
Retailer 4$716 AUD
Retailer 7$726 AUD
Retailer 12$846 AUD
Retailer 8$894 AUD
MOH London$1,231 AUD

40 data points across 13 retailers

13 retailers$212 AUD to $1,231 AUD

A
Cheapest Retailer
-
$212 AUD
$149 USD
A
Retailer 2
-
$246 AUD
$173 USD
View
A
Retailer 3
-
$263 AUD
$185 USD
View
A
Retailer 4
-
$263 AUD
$185 USD
View
A
Retailer 5
-
$316 AUD
£175 GBP
View
A
Retailer 6
-
$450 AUD
$316 USD
View
A
Retailer 7
-
$456 AUD
£252 GBP
View
A
Retailer 8
-
$483 AUD
$339 USD
View
B+
Retailer 9
-
$716 AUD
$503 USD
View
B+
Retailer 10
-
$726 AUD
$510 USD
View
B+
Retailer 11
-
$846 AUD
$594 USD
View
B
Retailer 12
-
$894 AUD
$628 USD
View
Most Expensive
B
MOH London
LG559282840 · Oct 26
$1,231 AUD
£681 GBP
View
12 more retailers have this diamond
Prices start from $212 AUDSave up to $1,019 AUD

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
1.00ct Oval
$212 AUD