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Round|Lab Grown|IGI

3.00ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG843627494

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843627494

Diamond specifications and retailer prices

From HK$3,060 HKD
$390 USD
As of October 29, 2026
Save HK$17,025 HKD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$20,634 HKD at Brilliant Earth · As of October 17, 2026
View at Brilliant Earth

About this 3ct lab-grown round diamond

This 3ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG843627494 or 843627494. Listed at 10 retailers as of October 29, 2026, with a 556% 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

3.00
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843627494
Dimensions9.19 × 9.15 × 5.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.19 mm9.15 mm3.00 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843627494
Side View
Table 63.0%Crown 36.5°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 62.3%

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$20,085 HKD|Low: HK$4,943 HKD|High: HK$20,085 HKD|Avg: HK$11,077 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2HK$5,087 HKD
Retailer 3HK$6,088 HKD
Retailer 6HK$10,654 HKD
Retailer 5HK$10,670 HKD
Retailer 4HK$14,916 HKD
Brilliant EarthHK$20,085 HKD

15 data points across 6 retailers

10 retailersHK$3,060 HKD to HK$20,085 HKD

A
Cheapest Retailer
-
HK$3,060 HKD
$390 USD
A
Retailer 2
-
HK$5,087 HKD
£511 GBP
View
A
Retailer 3
-
HK$6,088 HKD
€739 EUR
View
B
Retailer 4
-
HK$10,654 HKD
$1,358 USD
View
B
Retailer 5
-
HK$10,670 HKD
$1,360 USD
View
B
Retailer 6
-
HK$12,208 HKD
$1,556 USD
View
B
Retailer 7
-
HK$14,916 HKD
£1,497 GBP
View
B
Retailer 8
-
HK$20,085 HKD
$2,560 USD
View
Retailer 9
-
HK$20,634 HKD
$2,630 USD
View
Price last confirmed 15 days ago
Most Expensive
Brilliant Earth
21825618A · Oct 17
HK$20,634 HKD
$2,630 USD
View
Price last confirmed 13 days ago
9 more retailers have this diamond
Prices start from HK$3,060 HKDSave up to HK$17,025 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
3.00ct Round
HK$3,060 HKD