CaratHunter
Plans
Round|Lab Grown|IGI

3.09ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG700584426

Shape and cutting style on the report: Round brilliant

Certificate IGI LG700584426

Diamond specifications and retailer prices

From HK$2,863 HKD
As of November 5, 2026
Save HK$12,866 HKD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$15,730 HKD at Rare Carat · As of November 4, 2026
View at Rare Carat

About this 3.09ct lab-grown round diamond

This 3.09ct 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 LG700584426 or 700584426. Listed at 15 retailers as of November 4, 2026, with prices from HK$2,863 to HK$15,730, a HK$12,866 spread on the same certified stone. Rare Carat lists it at HK$15,730. 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

3.09
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700584426
Dimensions9.38 × 9.42 × 5.76 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
9.38 mm9.42 mm3.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700584426
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.3%

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: Nov 5
Current: HK$15,730 HKD|Low: HK$2,863 HKD|High: HK$41,580 HKD|Avg: HK$11,239 HKD|-27.5%
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
Retailer 17
November 6, 2026
Retailer 13HK$2,863 HKD
Retailer 7HK$3,326 HKD
Retailer 6HK$3,554 HKD
Retailer 17HK$3,915 HKD
Retailer 10HK$4,715 HKD
Retailer 14HK$4,746 HKD
Retailer 15HK$5,664 HKD
Retailer 4HK$5,680 HKD
Retailer 16HK$6,033 HKD
Retailer 2HK$6,323 HKD
Retailer 3HK$8,763 HKD
Retailer 12HK$10,418 HKD
Retailer 5HK$11,415 HKD
Retailer 11HK$13,878 HKD
Rare CaratHK$15,730 HKD
Retailer 8HK$35,766 HKD
Retailer 9HK$41,580 HKD

11 data points across 17 retailers

15 retailersHK$2,863 HKD to HK$15,730 HKD

A
Cheapest Retailer
-
HK$2,863 HKD
A
Retailer 2
-
HK$3,326 HKD
View
A
Retailer 3
-
HK$3,554 HKD
View
A
Retailer 4
-
HK$3,915 HKD
View
A
Retailer 5
-
HK$4,715 HKD
View
A
Retailer 6
-
HK$4,746 HKD
View
Retailer 7
-
HK$5,664 HKD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
HK$5,680 HKD
View
A
Retailer 9
-
HK$6,033 HKD
View
A
Retailer 10
-
HK$6,323 HKD
View
B+
Retailer 11
-
HK$8,763 HKD
View
B+
Retailer 12
-
HK$10,418 HKD
View
B
Retailer 13
-
HK$11,415 HKD
View
B
Retailer 14
-
HK$13,878 HKD
View
Most Expensive
B
Rare Carat
KI4265844KF700 · Nov 4
HK$15,730 HKD
$2,005 USD
View
14 more retailers have this diamond
Prices start from HK$2,863 HKDSave up to HK$12,866 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
3.09ct Round
HK$2,863 HKD