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 $180 USD
As of October 30, 2026
Save $1,789 USD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,969 USD 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 $180 to $1,969, a $1,789 spread on the same certified stone. Queensmith lists it at $1,969. 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
Color
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

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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 30
Current: $1,290 USD|Low: $174 USD|High: $1,730 USD|Avg: $638 USD|-24.1%
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Retailer 20
October 30, 2026
Retailer 19$180 USD
Retailer 9$200 USD
Retailer 17$209 USD
Retailer 5$223 USD
Retailer 10$223 USD
Retailer 12$254 USD
Retailer 7$319 USD
Retailer 16$423 USD
Retailer 14$450 USD
Retailer 2$463 USD
Retailer 3$757 USD
Retailer 20$791 USD
Retailer 11$838 USD
Retailer 8$960 USD
Retailer 13$964 USD
Retailer 6$1,130 USD
Retailer 15$1,157 USD
Retailer 18$1,255 USD
Retailer 1$1,290 USD
Retailer 4$1,730 USD

46 data points across 20 retailers

24 retailers$180 USD to $1,969 USD

A
Cheapest Retailer
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$180 USD
A
Retailer 2
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$200 USD
View
Final sale: no returns
A
Retailer 3
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$209 USD
View
A
Retailer 4
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$223 USD
View
A
Retailer 5
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$223 USD
View
A
Retailer 6
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$254 USD
£200 GBP
View
A
Retailer 7
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$319 USD
View
A
Retailer 8
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$346 USD
HK$2,700 HKD
View
A
Retailer 9
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$423 USD
ZAR 6,826 ZAR
View
A
Retailer 10
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$431 USD
View
A
Retailer 11
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$450 USD
£355 GBP
View
A
Retailer 12
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$463 USD
View
B+
Retailer 13
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$757 USD
View
B+
Retailer 14
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$791 USD
View
B+
Retailer 15
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$828 USD
£652 GBP
View
B+
Retailer 16
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$838 USD
SGD 1,133 SGD
View
B+
Retailer 17
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$960 USD
£756 GBP
View
B+
Retailer 18
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$964 USD
View
B
Retailer 19
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$1,130 USD
View
B+
Retailer 20
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$1,157 USD
£911 GBP
View
Retailer 21
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$1,255 USD
View
Price last confirmed 9 days ago
B+
Retailer 22
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$1,290 USD
View
B
Retailer 23
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$1,730 USD
View
Most Expensive
B
Queensmith
LG656412179 · Oct 27
$1,969 USD
£1,550 GBP
View
23 more retailers have this diamond
Prices start from $180 USDSave up to $1,789 USD

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
$180 USD