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Round|Lab Grown|IGI

3.51ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG600342277

Shape and cutting style on the report: Round brilliant

Certificate IGI LG600342277

Diamond specifications and retailer prices

From HK$6,355 HKD
$810 USD
As of November 2, 2026
Save HK$15,065 HKD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$21,420 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.51ct lab-grown round diamond

This 3.51ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG600342277 or 600342277. Listed at 14 retailers as of November 2, 2026, with prices from HK$6,355 to HK$21,420, a HK$15,065 spread on the same certified stone. Brilliant Earth lists it at HK$21,420. 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

3.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600342277
Dimensions9.74 × 9.72 × 6.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.74 mm9.72 mm3.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600342277
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.6%

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 2
Current: HK$21,420 HKD|Low: HK$3,876 HKD|High: HK$22,518 HKD|Avg: HK$9,886 HKD|-4.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 4HK$3,876 HKD
Retailer 3HK$5,459 HKD
Retailer 9HK$6,355 HKD
Retailer 2HK$6,558 HKD
Retailer 12HK$7,093 HKD
Retailer 5HK$7,506 HKD
Retailer 10HK$7,603 HKD
Retailer 11HK$10,090 HKD
Retailer 7HK$12,209 HKD
Retailer 8HK$14,868 HKD
Retailer 6HK$16,681 HKD
Brilliant EarthHK$21,420 HKD

35 data points across 12 retailers

14 retailersHK$6,355 HKD to HK$21,420 HKD

Retailer 1
-
HK$3,123 HKD
$398 USD
Price last confirmed 40 days ago
Retailer 2
-
HK$3,499 HKD
$446 USD
View
Price last confirmed 40 days ago
Retailer 3
-
HK$3,821 HKD
$487 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
HK$6,355 HKD
$810 USD
View
A
Retailer 5
-
HK$6,558 HKD
€796 EUR
View
B+
Retailer 6
-
HK$7,093 HKD
$904 USD
View
A
Retailer 7
-
HK$7,506 HKD
£753 GBP
View
A
Retailer 8
-
HK$7,603 HKD
$969 USD
View
B+
Retailer 9
-
HK$10,090 HKD
$1,286 USD
View
B
Retailer 10
-
HK$12,209 HKD
$1,556 USD
View
Retailer 11
-
HK$12,452 HKD
$1,587 USD
View
Price last confirmed 37 days ago
B
Retailer 12
-
HK$14,868 HKD
$1,895 USD
View
B
Retailer 13
-
HK$16,681 HKD
£1,674 GBP
View
Most Expensive
B
Brilliant Earth
8367372A · Nov 2
HK$21,420 HKD
$2,730 USD
View
13 more retailers have this diamond
Prices start from HK$6,355 HKDSave up to HK$15,065 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
3.51ct Round
HK$6,355 HKD