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Oval|Lab Grown|IGI

0.91ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG508150155

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG508150155

Diamond specifications and retailer prices

From $177 AUD
$124 USD
As of October 29, 2026
Save $1,657 AUD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,833 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 0.91ct lab-grown oval diamond

This 0.91ct lab-grown oval sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG508150155 or 508150155. Listed at 13 retailers as of October 26, 2026, with prices from $177 to $1,833, a $1,657 spread on the same certified stone. MOH London lists it at $1,833. 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

0.91
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508150155
Dimensions7.91 × 5.59 × 3.22 mm
L/W Ratio1.42
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
7.91 mm5.59 mm0.91 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508150155
Side View
Table 58.0%Crown 31.4°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 57.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,833 AUD|Low: $108 AUD|High: $1,956 AUD|Avg: $514 AUD|-5.2%
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
Retailer 16
Retailer 17
October 28, 2026
Retailer 6$108 AUD
Retailer 12$177 AUD
Retailer 4$205 AUD
Retailer 5$209 AUD
Retailer 13$233 AUD
Retailer 17$233 AUD
Retailer 10$255 AUD
Retailer 15$369 AUD
Retailer 7$396 AUD
Retailer 14$420 AUD
Retailer 2$452 AUD
Retailer 3$567 AUD
Retailer 16$705 AUD
Retailer 11$745 AUD
Retailer 9$806 AUD
Retailer 8$1,038 AUD
MOH London$1,833 AUD

23 data points across 17 retailers

13 retailers$177 AUD to $1,833 AUD

A
Cheapest Retailer
-
$177 AUD
$124 USD
A
Retailer 2
-
$205 AUD
$144 USD
View
A
Retailer 3
-
$209 AUD
$147 USD
View
Final sale: no returns
A
Retailer 4
-
$233 AUD
$164 USD
View
A
Retailer 5
-
$233 AUD
$164 USD
View
A
Retailer 6
-
$255 AUD
HK$1,400 HKD
View
A
Retailer 7
-
$369 AUD
$259 USD
View
A
Retailer 8
-
$420 AUD
$295 USD
View
A
Retailer 9
-
$452 AUD
£250 GBP
View
A
Retailer 10
-
$567 AUD
$398 USD
View
B+
Retailer 11
-
$705 AUD
$495 USD
View
B+
Retailer 12
-
$745 AUD
$523 USD
View
Most Expensive
B
MOH London
LG508150155 · Oct 26
$1,833 AUD
£1,014 GBP
View
12 more retailers have this diamond
Prices start from $177 AUDSave up to $1,657 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
0.91ct Oval
$177 AUD