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Radiant|Lab Grown|IGI

1.52ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG634499931

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

Certificate IGI LG634499931

Diamond specifications and retailer prices

From €160 EUR
$179 USD
As of October 30, 2026
Save €1,039 EUR (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,199 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.52ct lab-grown radiant diamond

This 1.52ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG634499931 or 634499931. Listed at 16 retailers as of October 29, 2026, with prices from €160 to €1,199, a €1,039 spread on the same certified stone. Brilliant Earth lists it at €1,199. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.52
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.9°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634499931
Dimensions8.06 × 5.66 × 3.88 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.06 mm5.66 mm1.52 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634499931
Side View
Table 65.0%Crown 27.9°Girdle: MediumPavilion 36°Culet: NoneDepth 68.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €1,199 EUR|Low: €160 EUR|High: €1,271 EUR|Avg: €508 EUR|-5.6%
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
October 31, 2026
Retailer 13€160 EUR
Retailer 9€186 EUR
Retailer 3€200 EUR
Retailer 15€200 EUR
Retailer 12€223 EUR
Retailer 2€348 EUR
Retailer 4€354 EUR
Retailer 8€356 EUR
Retailer 7€439 EUR
Retailer 6€499 EUR
Retailer 14€640 EUR
Retailer 10€677 EUR
Retailer 5€904 EUR
Retailer 11€937 EUR
Brilliant Earth€1,199 EUR

40 data points across 15 retailers

16 retailers€160 EUR to €1,199 EUR

A
Cheapest Retailer
-
€160 EUR
$179 USD
A
Retailer 2
-
€186 EUR
$208 USD
View
A
Retailer 3
-
€200 EUR
$223 USD
View
A
Retailer 4
-
€200 EUR
$223 USD
View
Retailer 5
-
€223 EUR
£196 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
€348 EUR
View
B+
Retailer 7
-
€354 EUR
$395 USD
View
A
Retailer 8
-
€356 EUR
£313 GBP
View
B+
Retailer 9
-
€439 EUR
$491 USD
View
B+
Retailer 10
-
€499 EUR
$557 USD
View
B+
Retailer 11
-
€640 EUR
$715 USD
View
B
Retailer 12
-
€677 EUR
$756 USD
View
B
Retailer 13
-
€699 EUR
£615 GBP
View
B
Retailer 14
-
€904 EUR
$1,010 USD
View
B
Retailer 15
-
€937 EUR
£824 GBP
View
Most Expensive
B
Brilliant Earth
10435411A · Oct 29
€1,199 EUR
$1,340 USD
View
15 more retailers have this diamond
Prices start from €160 EURSave up to €1,039 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
1.52ct Radiant
€160 EUR