Radiant|Lab Grown|IGI

5.70ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG559202119

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

Certificate IGI LG559202119

Diamond specifications and retailer prices

From €584 EUR
$652 USD
As of October 30, 2026
Save €4,142 EUR (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €4,726 EUR at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 5.7ct lab-grown radiant diamond

This 5.7ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG559202119 or 559202119. Listed at 15 retailers as of October 30, 2026, with prices from €584 to €4,726, a €4,142 spread on the same certified stone. Rare Carat lists it at €4,726. 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

5.70
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559202119
Dimensions12.82 × 8.72 × 5.79 mm
L/W Ratio1.47
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
12.82 mm8.72 mm5.70 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559202119
Side View
Table 64.5%Crown 44.9°Girdle: Slightly ThickPavilion 34.5°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €4,726 EUR|Low: €584 EUR|High: €6,391 EUR|Avg: €2,144 EUR
Rare Carat
Retailer 2
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Retailer 18
November 1, 2026
Retailer 7€584 EUR
Retailer 5€635 EUR
Retailer 14€677 EUR
Retailer 11€769 EUR
Retailer 17€802 EUR
Retailer 15€837 EUR
Retailer 16€1,055 EUR
Retailer 12€1,099 EUR
Retailer 4€1,105 EUR
Retailer 13€1,729 EUR
Retailer 18€1,903 EUR
Retailer 3€2,012 EUR
Retailer 6€2,335 EUR
Retailer 2€2,851 EUR
Retailer 9€3,024 EUR
Rare Carat€4,726 EUR
Retailer 8€5,485 EUR
Retailer 10€6,391 EUR

6 data points across 18 retailers

15 retailers€584 EUR to €4,726 EUR

A
Cheapest Retailer
-
€584 EUR
$652 USD
A
Retailer 2
-
€635 EUR
$709 USD
View
A
Retailer 3
-
€677 EUR
$756 USD
View
A
Retailer 4
-
€769 EUR
£677 GBP
View
A
Retailer 5
-
€802 EUR
HK$7,000 HKD
View
A
Retailer 6
-
€837 EUR
$935 USD
View
A
Retailer 7
-
€1,055 EUR
$1,179 USD
View
B+
Retailer 8
-
€1,099 EUR
View
B+
Retailer 9
-
€1,105 EUR
$1,235 USD
View
B+
Retailer 10
-
€1,729 EUR
$1,932 USD
View
B+
Retailer 11
-
€1,903 EUR
$2,126 USD
View
B
Retailer 12
-
€2,012 EUR
$2,248 USD
View
B
Retailer 13
-
€2,335 EUR
$2,609 USD
View
B
Retailer 14
-
€2,851 EUR
£2,508 GBP
View
Most Expensive
Rare Carat
KI1192021KF559 · Nov 1
€4,726 EUR
$5,280 USD
View
14 more retailers have this diamond
Prices start from €584 EURSave up to €4,142 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
5.70ct Radiant
€584 EUR