Radiant|Lab Grown|IGI

2.03ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG817677897

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

Certificate IGI LG817677897

Diamond specifications and retailer prices

From $644 USD
£507 GBP
As of October 30, 2026
Save $3,866 USD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,510 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.03ct lab-grown radiant diamond

This 2.03ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817677897 or 817677897. Listed at 11 retailers as of October 29, 2026, with prices from $644 to $4,510, a $3,866 spread on the same certified stone. Brilliant Earth lists it at $4,510. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.03
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817677897
Dimensions8.69 × 6.31 × 4.17 mm
L/W Ratio1.38
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
8.69 mm6.31 mm2.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817677897
Side View
Table 64.0%Crown 42.3°Girdle: Slightly ThickPavilion 33.4°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: $4,510 USD|Low: $642 USD|High: $4,510 USD|Avg: $1,985 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 4$644 USD
Retailer 7$705 USD
Retailer 9$868 USD
Retailer 8$966 USD
Retailer 5$1,385 USD
Retailer 10$1,609 USD
Retailer 11$2,106 USD
Retailer 2$2,538 USD
Retailer 6$2,617 USD
Retailer 3$3,565 USD
Brilliant Earth$4,510 USD

13 data points across 11 retailers

11 retailers$644 USD to $4,510 USD

A+
Cheapest Retailer
-
$644 USD
£507 GBP
A
Retailer 2
-
$705 USD
View
A
Retailer 3
-
$868 USD
View
Retailer 4
-
$966 USD
€920 EUR
View
Price last confirmed 7 days ago
A
Retailer 5
-
$1,385 USD
A$2,130 AUD
View
A
Retailer 6
-
$1,609 USD
View
B+
Retailer 7
-
$2,106 USD
View
B+
Retailer 8
-
$2,538 USD
View
B+
Retailer 9
-
$2,617 USD
£2,061 GBP
View
Retailer 10
-
$3,565 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21294540A · Oct 29
$4,510 USD
View
10 more retailers have this diamond
Prices start from $644 USDSave up to $3,866 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+
2.03ct Radiant
$644 USD