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 €3,237 EUR
$3,616 USD
As of November 1, 2026
Save €8,493 EUR (72%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €11,730 EUR 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 €3,237 to €11,730, a €8,493 spread on the same certified stone. Taylor and Hart lists it at €11,730. 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: €4,423 EUR|Low: €3,237 EUR|High: €13,856 EUR|Avg: €6,790 EUR|-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€3,237 EUR
Retailer 2€3,349 EUR
Retailer 16€3,495 EUR
Retailer 3€3,907 EUR
Retailer 1€4,423 EUR
Retailer 7€4,720 EUR
Retailer 15€4,808 EUR
Retailer 9€5,115 EUR
Retailer 12€5,349 EUR
Retailer 17€5,935 EUR
Retailer 14€6,811 EUR
Retailer 11€6,820 EUR
Retailer 5€7,990 EUR
Retailer 10€8,500 EUR
Retailer 6€9,301 EUR
Retailer 8€11,307 EUR
Retailer 13€11,359 EUR
Taylor and Hart€11,730 EUR

37 data points across 18 retailers

22 retailers€3,237 EUR to €11,730 EUR

Retailer 1
-
€3,031 EUR
$3,386 USD
Price last confirmed 16 days ago
A
Retailer 2
-
€3,237 EUR
$3,616 USD
View
Final sale: no returns
A
Retailer 3
-
€3,349 EUR
$3,742 USD
View
A
Retailer 4
-
€3,495 EUR
$3,905 USD
View
Retailer 5
-
€3,516 EUR
$3,928 USD
View
Price last confirmed 29 days ago
Retailer 6
-
€3,516 EUR
$3,928 USD
View
Price last confirmed 20 days ago
A
Retailer 7
-
€3,907 EUR
HK$34,100 HKD
View
Retailer 8
-
€4,394 EUR
$4,909 USD
View
Price last confirmed 16 days ago
A
Retailer 9
-
€4,423 EUR
£3,891 GBP
View
A
Retailer 10
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€4,720 EUR
$5,273 USD
View
A
Retailer 11
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€4,808 EUR
$5,372 USD
View
A
Retailer 12
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€5,115 EUR
£4,500 GBP
View
A
Retailer 13
-
€5,349 EUR
View
A
Retailer 14
-
€5,935 EUR
$6,631 USD
View
A
Retailer 15
-
€6,811 EUR
ZAR 122,937 ZAR
View
A
Retailer 16
-
€6,820 EUR
A$11,722 AUD
View
A
Retailer 17
-
€7,990 EUR
$8,927 USD
View
A
Retailer 18
-
€8,500 EUR
£7,477 GBP
View
B+
Retailer 19
-
€9,301 EUR
$10,392 USD
View
B+
Retailer 20
-
€11,307 EUR
SGD 17,071 SGD
View
B+
Retailer 21
-
€11,359 EUR
$12,690 USD
View
Most Expensive
B+
Taylor and Hart
DONFY63 · Oct 31
€11,730 EUR
$13,105 USD
View
21 more retailers have this diamond
Prices start from €3,237 EURSave up to €8,493 EUR

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
€3,237 EUR