Radiant|Lab Grown|IGI

0.75ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG566331197

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

Certificate IGI LG566331197

Diamond specifications and retailer prices

From $483 USD
£380 GBP
As of October 29, 2026
Save $43 USD (8%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,700 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 0.75ct lab-grown radiant diamond

This 0.75ct 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 LG566331197 or 566331197. Listed at 12 retailers as of October 29, 2026, with a relatively tight 9% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

0.75
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566331197
Dimensions5.97 × 4.58 × 3.11 mm
L/W Ratio1.30
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
5.97 mm4.58 mm0.75 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566331197
Side View
Table 62.0%Crown 34°Girdle: Slightly ThickPavilion 32.5°Culet: NoneDepth 67.9%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,700 USD|Low: $100 USD|High: $1,700 USD|Avg: $522 USD
Do Amore Diamonds
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 12, 2026
Retailer 17$103 USD
Retailer 16$136 USD
Retailer 6$139 USD
Retailer 4$144 USD
Retailer 7$266 USD
Retailer 19$270 USD
Retailer 10$284 USD
Retailer 9$303 USD
Retailer 14$318 USD
Retailer 13$443 USD
Retailer 5$449 USD
Retailer 15$453 USD
Retailer 18$455 USD
Retailer 8$585 USD
Retailer 11$590 USD
Retailer 12$590 USD
Retailer 20$620 USD
Retailer 3$970 USD
Retailer 2$1,196 USD
Do Amore Diamonds$1,700 USD

18 data points across 20 retailers

12 retailers$483 USD to $525 USD

Retailer 1
-
$103 USD
Price last confirmed 22 days ago
Retailer 2
-
$136 USD
View
Price last confirmed 22 days ago
Retailer 3
-
$144 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$266 USD
View
Price last confirmed 18 days ago
Retailer 5
-
$270 USD
View
Price last confirmed 23 days ago
Retailer 6
-
$318 USD
£251 GBP
View
Price last confirmed 18 days ago
Retailer 7
-
$455 USD
View
Price last confirmed 22 days ago
B
Retailer 8
-
$483 USD
£380 GBP
View
B
Retailer 9
-
$525 USD
£414 GBP
View
Retailer 10
-
$620 USD
View
Price last confirmed 18 days ago
Retailer 11
-
$1,196 USD
£942 GBP
View
Price last confirmed 18 days ago
Most Expensive
Do Amore Diamonds
32-LG566331197 · Oct 30
$1,700 USD
View
Price under review
11 more retailers have this diamond
Prices start from $483 USDSave up to $43 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.

B
0.75ct Radiant
$483 USD