Radiant|Lab Grown|IGI

3.56ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG812627575

Certificate IGI LG812627575

Diamond specifications and retailer prices

From $3,255 USD
Save $7,722 USD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,977 USD at Taylor and Hart
View at Taylor and Hart

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 LG812627575 or 812627575. Listed at 8 retailers, with prices from $3,255 to $10,977 at Taylor and Hart, a $7,722 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 angle45.1°
Pavilion angle29°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812627575
Dimensions8.64 × 8.22 × 5.11 mm
L/W Ratio1.05
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.64 mm8.22 mm3.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812627575
Side View
Table 68.0%Crown 45.1°Girdle: Slightly ThickPavilion 29°Culet: NoneDepth 62.2%

Caratlytics Score

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

Price History

Last verified: Sep 30
Current: $8,532 USD|Low: $3,123 USD|High: $10,977 USD|Avg: $6,653 USD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Taylor and Hart
October 1, 2026
Retailer 5$3,255 USD
Retailer 6$4,500 USD
Retailer 3$5,129 USD
Retailer 7$5,425 USD
Retailer 2$7,179 USD
Retailer 1$8,532 USD
Retailer 4$10,562 USD
Taylor and Hart$10,977 USD

11 data points across 8 retailers

8 retailers$3,255 USD to $10,977 USD

A
Cheapest Retailer
-
$3,255 USD
A
Retailer 2
-
$4,500 USD
View
B+
Retailer 3
-
$5,129 USD
€4,885 EUR
View
B+
Retailer 4
-
$5,425 USD
£4,272 GBP
View
B+
Retailer 5
-
$7,179 USD
ZAR 115,979 ZAR
View
B
Retailer 6
-
$8,532 USD
£6,718 GBP
View
B
Retailer 7
-
$10,562 USD
SGD 14,273 SGD
View
Most Expensive
B
Taylor and Hart
2UPSZ96 · Oct 1
$10,977 USD
View
7 more retailers have this diamond
Prices start from $3,255 USDSave up to $7,722 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
$3,255 USD