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Round|Lab Grown|IGI

2.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG617489637

Shape and cutting style on the report: Round brilliant

Certificate IGI LG617489637

Diamond specifications and retailer prices

From $300 SGD
$235 USD
As of November 1, 2026
Save $1,010 SGD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,109 SGD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 2.05ct lab-grown round diamond

This 2.05ct lab-grown round sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG617489637 or 617489637. Listed at 15 retailers as of November 1, 2026, with a 336% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.05
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617489637
Dimensions8.16 × 8.13 × 5.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
8.16 mm8.13 mm2.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617489637
Side View
Table 57.0%Crown 35.2°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.4%

Caratlytics Score

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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: Nov 1
Current: $2,109 SGD|Low: $300 SGD|High: $2,391 SGD|Avg: $845 SGD|-11.8%
Brilliant Earth
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
November 2, 2026
Retailer 3$300 SGD
Retailer 10$349 SGD
Retailer 14$373 SGD
Retailer 15$373 SGD
Retailer 13$615 SGD
Retailer 5$630 SGD
Retailer 9$655 SGD
Retailer 2$697 SGD
Retailer 7$727 SGD
Retailer 6$818 SGD
Retailer 4$1,198 SGD
Retailer 12$1,203 SGD
Retailer 8$1,310 SGD
Retailer 11$1,502 SGD
Brilliant Earth$2,109 SGD

38 data points across 15 retailers

15 retailers$300 SGD to $1,310 SGD

A
Cheapest Retailer
-
$300 SGD
$235 USD
A
Retailer 2
-
$349 SGD
$273 USD
View
A
Retailer 3
-
$373 SGD
$292 USD
View
Retailer 4
-
$373 SGD
$292 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$615 SGD
£379 GBP
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$630 SGD
$493 USD
View
A
Retailer 7
-
$655 SGD
€488 EUR
View
A
Retailer 8
-
$697 SGD
£429 GBP
View
A
Retailer 9
-
$727 SGD
$569 USD
View
B+
Retailer 10
-
$818 SGD
$640 USD
View
B+
Retailer 11
-
$1,198 SGD
$937 USD
View
B
Retailer 12
-
$1,203 SGD
$941 USD
View
B+
Retailer 13
-
$1,310 SGD
$1,025 USD
View
Retailer 14
-
$1,502 SGD
£925 GBP
View
Price last confirmed 12 days ago
Most Expensive
Brilliant Earth
8988852A · Oct 16
$2,109 SGD
$1,650 USD
View
Price last confirmed 16 days ago
14 more retailers have this diamond
Prices start from $300 SGDSave up to $1,010 SGD

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
2.05ct Round
$300 SGD