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Radiant|Lab Grown|IGI

0.75ct D SI1 Radiant Lab Grown Diamond

GD • D/SI1 • IGI LG539226792

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG539226792

Diamond specifications and retailer prices

From $199 AUD
$140 USD
As of October 30, 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 0.75ct lab-grown radiant diamond

This 0.75ct lab-grown radiant sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG539226792 or 539226792. 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. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.75
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539226792
Dimensions6.30 × 4.50 × 2.98 mm
L/W Ratio1.40
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
6.30 mm4.50 mm0.75 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539226792
Side View
Table 64.0%Crown 41.3°Girdle: Slightly ThickPavilion 32.7°Culet: NoneDepth 66.2%

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 30
Current: $1,159 AUD|Low: $192 AUD|High: $1,172 AUD|Avg: $503 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 7$199 AUD
Retailer 10$232 AUD
Retailer 8$248 AUD
Retailer 12$248 AUD
Retailer 4$339 AUD
Retailer 2$420 AUD
Retailer 5$456 AUD
Retailer 11$556 AUD
Retailer 3$582 AUD
Retailer 9$796 AUD
Retailer 6$840 AUD
MOH London$1,159 AUD

44 data points across 12 retailers

16 retailers$199 AUD to $1,159 AUD

A
Cheapest Retailer
-
$199 AUD
$140 USD
B+
Retailer 2
-
$232 AUD
$163 USD
View
B+
Retailer 3
-
$248 AUD
$174 USD
View
B+
Retailer 4
-
$248 AUD
$174 USD
View
B+
Retailer 5
-
$292 AUD
HK$1,600 HKD
View
B+
Retailer 6
-
$339 AUD
$238 USD
View
B+
Retailer 7
-
$420 AUD
£232 GBP
View
Retailer 8
-
$456 AUD
€305 EUR
View
Price last confirmed 7 days ago
Retailer 9
-
$483 AUD
$339 USD
View
Price last confirmed 52 days ago
Retailer 10
-
$556 AUD
£308 GBP
View
Price last confirmed 22 days ago
B
Retailer 11
-
$582 AUD
$409 USD
View
B
Retailer 12
-
$683 AUD
SGD 648 SGD
View
B
Retailer 13
-
$687 AUD
£380 GBP
View
B
Retailer 14
-
$796 AUD
$559 USD
View
B
Retailer 15
-
$840 AUD
$590 USD
View
Most Expensive
B
MOH London
LG539226792 · 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
0.75ct Radiant
$199 AUD