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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 HK$1,844 HKD
$235 USD
As of November 1, 2026
Save HK$6,198 HKD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$12,945 HKD 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

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 1
Current: HK$12,945 HKD|Low: HK$1,844 HKD|High: HK$14,671 HKD|Avg: HK$5,184 HKD|-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 1, 2026
Retailer 3HK$1,844 HKD
Retailer 10HK$2,142 HKD
Retailer 14HK$2,291 HKD
Retailer 15HK$2,291 HKD
Retailer 13HK$3,776 HKD
Retailer 5HK$3,868 HKD
Retailer 9HK$4,020 HKD
Retailer 8HK$4,312 HKD
Retailer 7HK$4,464 HKD
Retailer 6HK$5,021 HKD
Retailer 4HK$7,351 HKD
Retailer 12HK$7,383 HKD
Retailer 2HK$8,042 HKD
Retailer 11HK$9,217 HKD
Brilliant EarthHK$12,945 HKD

37 data points across 15 retailers

15 retailersHK$1,844 HKD to HK$8,042 HKD

A
Cheapest Retailer
-
HK$1,844 HKD
$235 USD
A
Retailer 2
-
HK$2,142 HKD
$273 USD
View
A
Retailer 3
-
HK$2,291 HKD
$292 USD
View
Retailer 4
-
HK$2,291 HKD
$292 USD
View
Price last confirmed 7 days ago
Retailer 5
-
HK$3,776 HKD
£379 GBP
View
Price last confirmed 16 days ago
B+
Retailer 6
-
HK$3,868 HKD
$493 USD
View
A
Retailer 7
-
HK$4,020 HKD
€488 EUR
View
A
Retailer 8
-
HK$4,312 HKD
£433 GBP
View
A
Retailer 9
-
HK$4,464 HKD
$569 USD
View
B+
Retailer 10
-
HK$5,021 HKD
$640 USD
View
B+
Retailer 11
-
HK$7,351 HKD
$937 USD
View
B
Retailer 12
-
HK$7,383 HKD
$941 USD
View
B+
Retailer 13
-
HK$8,042 HKD
$1,025 USD
View
Retailer 14
-
HK$9,217 HKD
£925 GBP
View
Price last confirmed 11 days ago
Most Expensive
Brilliant Earth
8988852A · Oct 16
HK$12,945 HKD
$1,650 USD
View
Price last confirmed 16 days ago
14 more retailers have this diamond
Prices start from HK$1,844 HKDSave up to HK$6,198 HKD

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
HK$1,844 HKD