Radiant|Lab Grown|IGI

5.53ct G IF Radiant Lab Grown Diamond

ID • G/IF • IGI LG640431955

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

Certificate IGI LG640431955

Diamond specifications and retailer prices

From $3,616 USD
As of November 1, 2026
Save $9,489 USD (72%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $13,105 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.53ct lab-grown radiant diamond

This 5.53ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG640431955 or 640431955. Listed at 22 retailers as of October 31, 2026, with prices from $3,616 to $13,105, a $9,489 spread on the same certified stone. Taylor and Hart lists it at $13,105. 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

5.53
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640431955
Dimensions12.37 × 8.86 × 5.86 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
12.37 mm8.86 mm5.53 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640431955
Side View
Table 60.0%Crown 41.3°Girdle: THN-MEDPavilion 35.3°Culet: NoneDepth 66.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $4,942 USD|Low: $3,616 USD|High: $15,480 USD|Avg: $7,586 USD|-6.0%
Retailer 1
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
Taylor and Hart
November 2, 2026
Retailer 4$3,616 USD
Retailer 2$3,742 USD
Retailer 16$3,905 USD
Retailer 3$4,365 USD
Retailer 1$4,942 USD
Retailer 7$5,273 USD
Retailer 15$5,372 USD
Retailer 9$5,715 USD
Retailer 12$5,976 USD
Retailer 17$6,631 USD
Retailer 14$7,610 USD
Retailer 11$7,619 USD
Retailer 5$8,927 USD
Retailer 10$9,496 USD
Retailer 6$10,392 USD
Retailer 8$12,633 USD
Retailer 13$12,690 USD
Taylor and Hart$13,105 USD

37 data points across 18 retailers

22 retailers$3,616 USD to $13,105 USD

Retailer 1
-
$3,386 USD
Price last confirmed 16 days ago
A
Retailer 2
-
$3,616 USD
View
Final sale: no returns
A
Retailer 3
-
$3,742 USD
View
A
Retailer 4
-
$3,905 USD
View
Retailer 5
-
$3,928 USD
View
Price last confirmed 30 days ago
Retailer 6
-
$3,928 USD
View
Price last confirmed 20 days ago
A
Retailer 7
-
$4,365 USD
HK$34,100 HKD
View
Retailer 8
-
$4,909 USD
View
Price last confirmed 16 days ago
A
Retailer 9
-
$4,942 USD
£3,891 GBP
View
A
Retailer 10
-
$5,273 USD
View
A
Retailer 11
-
$5,372 USD
View
A
Retailer 12
-
$5,715 USD
£4,500 GBP
View
A
Retailer 13
-
$5,976 USD
€5,691 EUR
View
A
Retailer 14
-
$6,631 USD
View
A
Retailer 15
-
$7,610 USD
ZAR 122,937 ZAR
View
A
Retailer 16
-
$7,619 USD
A$11,722 AUD
View
A
Retailer 17
-
$8,927 USD
View
A
Retailer 18
-
$9,496 USD
£7,477 GBP
View
B+
Retailer 19
-
$10,392 USD
View
B+
Retailer 20
-
$12,633 USD
SGD 17,071 SGD
View
B+
Retailer 21
-
$12,690 USD
View
Most Expensive
B+
Taylor and Hart
DONFY63 · Oct 31
$13,105 USD
View
21 more retailers have this diamond
Prices start from $3,616 USDSave up to $9,489 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
5.53ct Radiant
$3,616 USD