Round|Lab Grown|GIA

3.09ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 5486412293

Certificate GIA 5486412293

Diamond specifications and retailer prices

From HK$13,086 HKD
As of November 5, 2026
Save HK$9,948 HKD (43%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$39,605 HKD at MOH London · As of November 5, 2026
View at MOH London

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 GIA 5486412293. Listed at 13 retailers as of November 4, 2026, with a 76% 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

3.09
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginLab Grown
Grading LabGIA
CertificateGIA 5486412293
Dimensions9.41 × 9.39 × 5.74 mm
L/W Ratio1.00
Star length45%
Lower girdle80%
Top View
9.41 mm9.39 mm3.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5486412293
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$39,605 HKD|Low: HK$12,121 HKD|High: HK$40,192 HKD|Avg: HK$18,274 HKD|+14.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6HK$12,356 HKD
Retailer 10HK$13,086 HKD
Retailer 7HK$13,690 HKD
Retailer 8HK$14,718 HKD
Retailer 3HK$14,796 HKD
Retailer 4HK$16,043 HKD
Retailer 2HK$16,993 HKD
Retailer 5HK$17,738 HKD
Retailer 11HK$19,519 HKD
Retailer 9HK$23,034 HKD
MOH LondonHK$39,605 HKD

35 data points across 11 retailers

13 retailersHK$13,086 HKD to HK$23,034 HKD

Retailer 1
-
HK$10,654 HKD
Price last confirmed 27 days ago
Retailer 2
-
HK$11,595 HKD
View
Price last confirmed 28 days ago
Retailer 3
-
HK$12,356 HKD
View
Price last confirmed 26 days ago
Retailer 4
-
HK$12,356 HKD
View
Price last confirmed 27 days ago
B+
Retailer 5
-
HK$13,086 HKD
View
B
Retailer 6
-
HK$13,690 HKD
View
B
Retailer 7
-
HK$14,718 HKD
View
B
Retailer 8
-
HK$16,043 HKD
View
B
Retailer 9
-
HK$16,993 HKD
View
B
Retailer 10
-
HK$19,519 HKD
View
B
Retailer 11
-
HK$23,034 HKD
View
Retailer 12
-
HK$23,167 HKD
View
Price last confirmed 27 days ago
Most Expensive
MOH London
5486412293 · Nov 5
HK$39,605 HKD
£3,975 GBP
View
Price under review
12 more retailers have this diamond
Prices start from HK$13,086 HKDSave up to HK$9,948 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.

B+
3.09ct Round
HK$13,086 HKD