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Radiant|Lab Grown|IGI

0.77ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG733508718

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

Certificate IGI LG733508718

Diamond specifications and retailer prices

From €129 EUR
$144 USD
As of October 30, 2026
Save €780 EUR (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €909 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.77ct lab-grown radiant diamond

This 0.77ct lab-grown radiant sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG733508718 or 733508718. Listed at 19 retailers as of October 30, 2026, with prices from €129 to €909, a €780 spread on the same certified stone. Reve Diamonds lists it at €909. 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

0.77
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733508718
Dimensions6.49 × 4.49 × 3.03 mm
L/W Ratio1.45
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
6.49 mm4.49 mm0.77 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733508718
Side View
Table 68.0%Crown 43.8°Girdle: MED-STKPavilion 35.1°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €144 EUR|Low: €124 EUR|High: €758 EUR|Avg: €308 EUR|-17.9%
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
October 31, 2026
Retailer 13€129 EUR
Retailer 1€144 EUR
Retailer 4€149 EUR
Retailer 2€160 EUR
Retailer 5€160 EUR
Retailer 14€217 EUR
Retailer 11€228 EUR
Retailer 7€274 EUR
Retailer 10€303 EUR
Retailer 6€371 EUR
Retailer 12€405 EUR
Retailer 8€430 EUR
Retailer 3€515 EUR
Retailer 9€753 EUR

44 data points across 14 retailers

19 retailers€129 EUR to €909 EUR

A
Cheapest Retailer
-
€129 EUR
$144 USD
A
Retailer 2
-
€144 EUR
$161 USD
View
Final sale: no returns
A
Retailer 3
-
€149 EUR
$167 USD
View
A
Retailer 4
-
€160 EUR
$179 USD
View
A
Retailer 5
-
€160 EUR
$179 USD
View
A
Retailer 6
-
€183 EUR
HK$1,600 HKD
View
A
Retailer 7
-
€210 EUR
$235 USD
View
A
Retailer 8
-
€217 EUR
$242 USD
View
A
Retailer 9
-
€228 EUR
$255 USD
View
B+
Retailer 10
-
€274 EUR
£241 GBP
View
B+
Retailer 11
-
€303 EUR
View
B+
Retailer 12
-
€371 EUR
$414 USD
View
B
Retailer 13
-
€405 EUR
$453 USD
View
B+
Retailer 14
-
€430 EUR
$480 USD
View
B
Retailer 15
-
€442 EUR
SGD 668 SGD
View
B
Retailer 16
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€515 EUR
$575 USD
View
B
Retailer 17
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€565 EUR
$631 USD
View
B
Retailer 18
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€753 EUR
£662 GBP
View
Most Expensive
B
Reve Diamonds
CBC7C88FF · Oct 30
€909 EUR
$1,016 USD
View
18 more retailers have this diamond
Prices start from €129 EURSave up to €780 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
0.77ct Radiant
€129 EUR