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Round|Lab Grown|IGI

0.51ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG706519792

Shape and cutting style on the report: Round brilliant

Certificate IGI LG706519792

Diamond specifications and retailer prices

From €83 EUR
$93 USD
As of October 29, 2026
Save €678 EUR (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €762 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG706519792 or 706519792. Listed at 15 retailers as of October 29, 2026, with prices from €83 to €762, a €678 spread on the same certified stone. Reve Diamonds lists it at €762. 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

0.51
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706519792
Dimensions5.14 × 5.18 × 3.11 mm
L/W Ratio1.01
Girdle conditionFaceted
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
5.14 mm5.18 mm0.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706519792
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €365 EUR|Low: €64 EUR|High: €762 EUR|Avg: €264 EUR|-4.3%
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
Reve Diamonds
October 31, 2026
Retailer 6€83 EUR
Retailer 8€88 EUR
Retailer 12€90 EUR
Retailer 7€103 EUR
Retailer 4€109 EUR
Retailer 2€148 EUR
Retailer 9€177 EUR
Retailer 11€207 EUR
Retailer 14€214 EUR
Retailer 5€238 EUR
Retailer 3€311 EUR
Retailer 10€311 EUR
Retailer 1€365 EUR
Retailer 13€756 EUR
Reve Diamonds€762 EUR

43 data points across 15 retailers

15 retailers€83 EUR to €762 EUR

A
Cheapest Retailer
-
€83 EUR
$93 USD
A
Retailer 2
-
€88 EUR
$98 USD
View
Final sale: no returns
A
Retailer 3
-
€90 EUR
$101 USD
View
A
Retailer 4
-
€103 EUR
$115 USD
View
A
Retailer 5
-
€109 EUR
$122 USD
View
Retailer 6
-
€148 EUR
$165 USD
View
Price last confirmed 10 days ago
A
Retailer 7
-
€177 EUR
£156 GBP
View
A
Retailer 8
-
€207 EUR
$231 USD
View
B+
Retailer 9
-
€214 EUR
View
B+
Retailer 10
-
€238 EUR
$266 USD
View
B+
Retailer 11
-
€311 EUR
$347 USD
View
B+
Retailer 12
-
€311 EUR
$348 USD
View
B+
Retailer 13
-
€365 EUR
$407 USD
View
B
Retailer 14
-
€756 EUR
£665 GBP
View
Most Expensive
B
Reve Diamonds
2AED393F3 · Oct 30
€762 EUR
$851 USD
View
14 more retailers have this diamond
Prices start from €83 EURSave up to €678 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
0.51ct Round
€83 EUR