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Radiant|Lab Grown|IGI

3.56ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG659461516

Certificate IGI LG659461516

Diamond specifications and retailer prices

From $2,513 USD
Save $13,507 USD (84%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $16,020 USD at Brilliant Earth
View at Brilliant Earth

About this 3.56ct lab-grown radiant diamond

This 3.56ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG659461516 or 659461516. Listed at 25 retailers, with prices from $2,513 to $16,020 at Brilliant Earth, a $13,507 spread on the same certified stone. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.56
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle52.9°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG659461516
Dimensions10.07 × 7.06 × 5.06 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.07 mm7.06 mm3.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG659461516
Side View
Table 70.0%Crown 52.9°Girdle: ThickPavilion 30.9°Culet: NoneDepth 71.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $16,020 USD|Low: $1,633 USD|High: $16,170 USD|Avg: $5,665 USD|-0.9%
Brilliant Earth
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 1, 2026
Retailer 6$2,513 USD
Retailer 3$2,730 USD
Retailer 12$2,770 USD
Retailer 11$3,008 USD
Retailer 15$3,644 USD
Retailer 5$3,720 USD
Retailer 16$3,734 USD
Retailer 20$4,035 USD
Retailer 8$4,097 USD
Retailer 7$4,938 USD
Retailer 19$5,885 USD
Retailer 17$5,936 USD
Retailer 9$6,461 USD
Retailer 18$7,149 USD
Retailer 4$7,512 USD
Retailer 14$7,717 USD
Retailer 13$8,616 USD
Retailer 2$8,653 USD
Retailer 21$8,713 USD
Retailer 10$9,351 USD
Brilliant Earth$16,020 USD

41 data points across 21 retailers

25 retailers$2,513 USD to $16,020 USD

A
Cheapest Retailer
-
$2,513 USD
A
Retailer 2
-
$2,730 USD
View
A
Retailer 3
-
$2,770 USD
View
A
Retailer 4
-
$3,008 USD
HK$23,500 HKD
View
A
Retailer 5
-
$3,560 USD
View
Price last confirmed 45 days ago
A
Retailer 6
-
$3,652 USD
£2,876 GBP
View
A
Retailer 7
-
$3,720 USD
View
A
Retailer 8
-
$3,734 USD
View
A
Retailer 9
-
$4,035 USD
€3,843 EUR
View
A
Retailer 10
-
$4,097 USD
View
B+
Retailer 11
-
$4,938 USD
£3,888 GBP
View
B+
Retailer 12
-
$5,885 USD
A$9,054 AUD
View
B+
Retailer 13
-
$5,936 USD
ZAR 95,891 ZAR
View
B+
Retailer 14
-
$6,461 USD
View
B+
Retailer 15
-
$7,149 USD
£5,629 GBP
View
B+
Retailer 16
-
$7,205 USD
View
B+
Retailer 17
-
$7,512 USD
View
B+
Retailer 18
-
$7,609 USD
View
B+
Retailer 19
-
$7,694 USD
View
B+
Retailer 20
-
$7,717 USD
View
B+
Retailer 21
-
$8,616 USD
A$13,255 AUD
View
B
Retailer 22
-
$8,653 USD
View
B
Retailer 23
-
$8,713 USD
SGD 11,774 SGD
View
B
Retailer 24
-
$9,542 USD
View
Most Expensive
B
Brilliant Earth
11920003A · Sep 29
$16,020 USD
View
24 more retailers have this diamond
Prices start from $2,513 USDSave up to $13,507 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.

A
3.56ct Radiant
$2,513 USD