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Round|Lab Grown|IGI

3.71ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG666401279

Shape and cutting style on the report: Round brilliant

Certificate IGI LG666401279

Diamond specifications and retailer prices

From HK$3,091 HKD
$394 USD
As of October 29, 2026
Save HK$12,796 HKD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$15,888 HKD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.71ct lab-grown round diamond

This 3.71ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG666401279 or 666401279. Listed at 14 retailers as of October 28, 2026, with prices from HK$3,091 to HK$15,888, a HK$12,796 spread on the same certified stone. Rare Carat lists it at HK$15,888. 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

3.71
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG666401279
Dimensions9.93 × 9.97 × 6.08 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.93 mm9.97 mm3.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG666401279
Side View
Table 57.0%Crown 34.6°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.1%

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: Oct 29
Current: HK$20,181 HKD|Low: HK$3,091 HKD|High: HK$39,880 HKD|Avg: HK$11,652 HKD
Rare Carat
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
Retailer 16
October 31, 2026
Retailer 11HK$3,091 HKD
Retailer 6HK$3,460 HKD
Retailer 5HK$3,829 HKD
Retailer 15HK$4,218 HKD
Retailer 12HK$4,982 HKD
Retailer 10HK$5,134 HKD
Retailer 3HK$6,080 HKD
Retailer 13HK$6,096 HKD
Retailer 2HK$6,269 HKD
Retailer 14HK$6,465 HKD
Retailer 16HK$9,336 HKD
Retailer 9HK$10,749 HKD
Retailer 4HK$12,318 HKD
Rare CaratHK$20,181 HKD
Retailer 8HK$30,441 HKD
Retailer 7HK$39,880 HKD

5 data points across 16 retailers

14 retailersHK$3,091 HKD to HK$15,888 HKD

A
Cheapest Retailer
-
HK$3,091 HKD
$394 USD
A
Retailer 2
-
HK$3,460 HKD
$441 USD
View
A
Retailer 3
-
HK$3,829 HKD
$488 USD
View
A
Retailer 4
-
HK$4,218 HKD
View
A
Retailer 5
-
HK$4,982 HKD
$635 USD
View
A
Retailer 6
-
HK$5,134 HKD
£515 GBP
View
B+
Retailer 7
-
HK$6,080 HKD
$775 USD
View
A
Retailer 8
-
HK$6,096 HKD
€740 EUR
View
A
Retailer 9
-
HK$6,269 HKD
£629 GBP
View
A
Retailer 10
-
HK$6,465 HKD
$824 USD
View
B+
Retailer 11
-
HK$9,336 HKD
$1,190 USD
View
B+
Retailer 12
-
HK$10,749 HKD
$1,370 USD
View
B+
Retailer 13
-
HK$12,318 HKD
$1,570 USD
View
Most Expensive
B
Rare Carat
KI2794012KF666 · Oct 28
HK$15,888 HKD
$2,025 USD
View
13 more retailers have this diamond
Prices start from HK$3,091 HKDSave up to HK$12,796 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
3.71ct Round
HK$3,091 HKD