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Radiant|Lab Grown|IGI

1.00ct F SI2 Radiant Lab Grown Diamond

VG • F/SI2 • IGI LG851650408

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

Certificate IGI LG851650408

Diamond specifications and retailer prices

From $208 USD
As of November 6, 2026
Save $1,063 USD (84%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,271 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG851650408 or 851650408. Listed at 6 retailers as of November 5, 2026, with prices from $208 to $1,271, a $1,063 spread on the same certified stone. MOH London lists it at $1,271. 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

1.00
Carat
F
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle26.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851650408
Dimensions6.76 × 4.90 × 3.05 mm
L/W Ratio1.38
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.76 mm4.90 mm1.00 ctF / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851650408
Side View
Table 69.0%Crown 40.9°Girdle: ThickPavilion 26.3°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,271 USD|Low: $208 USD|High: $1,275 USD|Avg: $430 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 5$208 USD
Retailer 4$261 USD
Retailer 6$290 USD
Retailer 2$313 USD
Retailer 3$475 USD
MOH London$1,271 USD

7 data points across 6 retailers

6 retailers$208 USD to $1,271 USD

B+
Cheapest Retailer
-
$208 USD
B+
Retailer 2
-
$261 USD
View
B+
Retailer 3
-
$290 USD
View
A
Retailer 4
-
$313 USD
View
B
Retailer 5
-
$475 USD
View
Most Expensive
C
MOH London
LG851650408 · Nov 5
$1,271 USD
£1,001 GBP
View
5 more retailers have this diamond
Prices start from $208 USDSave up to $1,063 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
1.00ct Radiant
$208 USD