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Round|Lab Grown|IGI

0.99ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG805671868

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805671868

Diamond specifications and retailer prices

From $199 AUD
$140 USD
As of October 26, 2026
Save $960 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,159 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 0.99ct lab-grown round diamond

This 0.99ct lab-grown round 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 LG805671868 or 805671868. Listed at 16 retailers as of October 26, 2026, with prices from $199 to $1,159, a $960 spread on the same certified stone. MOH London lists it at $1,159. 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

0.99
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805671868
Dimensions6.36 × 6.30 × 3.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.36 mm6.30 mm0.99 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805671868
Side View
Table 61.0%Crown 33.5°Girdle: STK-THKPavilion 40°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
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 26
Current: $1,159 AUD|Low: $194 AUD|High: $1,195 AUD|Avg: $511 AUD|-2.0%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 17$199 AUD
Retailer 4$224 AUD
Retailer 3$232 AUD
Retailer 15$248 AUD
Retailer 10$273 AUD
Retailer 13$420 AUD
Retailer 14$421 AUD
Retailer 2$423 AUD
Retailer 6$461 AUD
Retailer 12$476 AUD
Retailer 7$527 AUD
Retailer 8$595 AUD
Retailer 5$626 AUD
Retailer 11$675 AUD
Retailer 9$755 AUD
Retailer 16$796 AUD
MOH London$1,159 AUD

42 data points across 17 retailers

16 retailers$199 AUD to $1,159 AUD

A
Cheapest Retailer
-
$199 AUD
$140 USD
A
Retailer 2
-
$232 AUD
$163 USD
View
Retailer 3
-
$248 AUD
$174 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$273 AUD
HK$1,500 HKD
View
A
Retailer 5
-
$420 AUD
£232 GBP
View
A
Retailer 6
-
$421 AUD
$296 USD
View
A
Retailer 7
-
$423 AUD
€283 EUR
View
B+
Retailer 8
-
$461 AUD
$324 USD
View
A
Retailer 9
-
$476 AUD
£264 GBP
View
Retailer 10
-
$527 AUD
$370 USD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
$595 AUD
$418 USD
View
B+
Retailer 12
-
$626 AUD
$440 USD
View
B+
Retailer 13
-
$675 AUD
SGD 641 SGD
View
B
Retailer 14
-
$755 AUD
$530 USD
View
B+
Retailer 15
-
$796 AUD
$559 USD
View
Most Expensive
B
MOH London
LG805671868 · Oct 26
$1,159 AUD
£641 GBP
View
15 more retailers have this diamond
Prices start from $199 AUDSave up to $960 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
0.99ct Round
$199 AUD