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Radiant|Lab Grown|IGI

0.57ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG691592793

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

Certificate IGI LG691592793

Diamond specifications and retailer prices

From $113 USD
As of October 27, 2026
Save $1,182 USD (91%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,295 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.57ct lab-grown radiant diamond

This 0.57ct lab-grown radiant sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG691592793 or 691592793. Listed at 9 retailers as of October 27, 2026, with prices from $113 to $1,295, a $1,182 spread on the same certified stone. MOH London lists it at $1,295. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.57
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.6°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691592793
Dimensions5.89 × 4.13 × 2.83 mm
L/W Ratio1.43
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
5.89 mm4.13 mm0.57 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG691592793
Side View
Table 74.0%Crown 42.6°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
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 27
Current: $1,295 USD|Low: $108 USD|High: $1,303 USD|Avg: $487 USD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6$113 USD
Retailer 9$131 USD
Retailer 11$247 USD
Retailer 3$264 USD
Retailer 2$265 USD
Retailer 7$275 USD
Retailer 10$371 USD
Retailer 8$496 USD
Retailer 5$501 USD
Retailer 4$719 USD
Retailer 12$970 USD
MOH London$1,295 USD

15 data points across 12 retailers

9 retailers$113 USD to $1,295 USD

A
Cheapest Retailer
-
$113 USD
A
Retailer 2
-
$131 USD
View
B+
Retailer 3
-
$265 USD
View
B+
Retailer 4
-
$275 USD
View
B+
Retailer 5
-
$371 USD
View
B
Retailer 6
-
$496 USD
View
B
Retailer 7
-
$501 USD
View
C
Retailer 8
-
$970 USD
View
Most Expensive
B
MOH London
LG691592793 · Oct 29
$1,295 USD
£1,020 GBP
View
8 more retailers have this diamond
Prices start from $113 USDSave up to $1,182 USD

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
0.57ct Radiant
$113 USD