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Radiant|Lab Grown|IGI

1.02ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG656412179

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

Certificate IGI LG656412179

Diamond specifications and retailer prices

From $256 AUD
$180 USD
As of October 30, 2026
Save $2,546 AUD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,802 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.02ct lab-grown radiant diamond

This 1.02ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG656412179 or 656412179. Listed at 24 retailers as of October 27, 2026, with prices from $256 to $2,802, a $2,546 spread on the same certified stone. Queensmith lists it at $2,802. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656412179
Dimensions7.38 × 5.13 × 3.25 mm
L/W Ratio1.44
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
7.38 mm5.13 mm1.02 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656412179
Side View
Table 62.0%Crown 38.5°Girdle: MediumPavilion 34.8°Culet: NoneDepth 63.4%

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: $636 AUD|Low: $248 AUD|High: $2,463 AUD|Avg: $912 AUD|+2.8%
Retailer 1
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Retailer 20
October 31, 2026
Retailer 19$256 AUD
Retailer 9$285 AUD
Retailer 17$298 AUD
Retailer 5$317 AUD
Retailer 10$317 AUD
Retailer 14$362 AUD
Retailer 7$454 AUD
Retailer 16$602 AUD
Retailer 1$636 AUD
Retailer 2$659 AUD
Retailer 3$1,078 AUD
Retailer 20$1,126 AUD
Retailer 11$1,194 AUD
Retailer 8$1,367 AUD
Retailer 13$1,372 AUD
Retailer 6$1,609 AUD
Retailer 15$1,647 AUD
Retailer 18$1,787 AUD
Retailer 12$1,836 AUD
Retailer 4$2,463 AUD

46 data points across 20 retailers

24 retailers$256 AUD to $2,802 AUD

A
Cheapest Retailer
-
$256 AUD
$180 USD
A
Retailer 2
-
$285 AUD
$200 USD
View
Final sale: no returns
A
Retailer 3
-
$298 AUD
$209 USD
View
A
Retailer 4
-
$317 AUD
$223 USD
View
A
Retailer 5
-
$317 AUD
$223 USD
View
A
Retailer 6
-
$362 AUD
£200 GBP
View
A
Retailer 7
-
$454 AUD
$319 USD
View
A
Retailer 8
-
$492 AUD
HK$2,700 HKD
View
A
Retailer 9
-
$602 AUD
ZAR 6,826 ZAR
View
A
Retailer 10
-
$614 AUD
$431 USD
View
A
Retailer 11
-
$636 AUD
£352 GBP
View
A
Retailer 12
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$659 AUD
$463 USD
View
B+
Retailer 13
-
$1,078 AUD
$757 USD
View
B+
Retailer 14
-
$1,126 AUD
$791 USD
View
B+
Retailer 15
-
$1,179 AUD
£652 GBP
View
B+
Retailer 16
-
$1,194 AUD
SGD 1,133 SGD
View
B+
Retailer 17
-
$1,367 AUD
£756 GBP
View
B+
Retailer 18
-
$1,372 AUD
$964 USD
View
B
Retailer 19
-
$1,609 AUD
$1,130 USD
View
B+
Retailer 20
-
$1,647 AUD
£911 GBP
View
Retailer 21
-
$1,787 AUD
$1,255 USD
View
Price last confirmed 10 days ago
B+
Retailer 22
-
$1,836 AUD
$1,290 USD
View
B
Retailer 23
-
$2,463 AUD
$1,730 USD
View
Most Expensive
B
Queensmith
LG656412179 · Oct 27
$2,802 AUD
£1,550 GBP
View
23 more retailers have this diamond
Prices start from $256 AUDSave up to $2,546 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
1.02ct Radiant
$256 AUD