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Round|Lab Grown|GIA

3.09ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 6451053117

Certificate GIA 6451053117

Diamond specifications and retailer prices

From $2,499 NZD
As of November 4, 2026
Save $4,355 NZD (64%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,854 NZD at MOH London · As of November 1, 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 6451053117. Listed at 5 retailers as of November 1, 2026, with prices from $2,499 to $6,854, a $4,355 spread on the same certified stone. MOH London lists it at $6,854. 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 angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 6451053117
Dimensions9.38 × 9.41 × 5.69 mm
L/W Ratio1.00
Culet sizeNone
Top View
9.38 mm9.41 mm3.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6451053117
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.6%

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 4
Current: $6,854 NZD|Low: $2,499 NZD|High: $12,097 NZD|Avg: $6,344 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3$2,499 NZD
Retailer 4$2,706 NZD
Retailer 2$2,957 NZD
Retailer 5$3,232 NZD
MOH London$6,854 NZD
Retailer 7$7,952 NZD
Retailer 6$12,097 NZD
Retailer 8$12,097 NZD

10 data points across 8 retailers

5 retailers$2,499 NZD to $6,854 NZD

B+
Cheapest Retailer
-
$2,499 NZD
B+
Retailer 2
-
$2,706 NZD
View
B+
Retailer 3
-
$2,957 NZD
View
B
Retailer 4
-
$3,232 NZD
View
Most Expensive
B
MOH London
6451053117 · Nov 1
$6,854 NZD
£3,034 GBP
View
4 more retailers have this diamond
Prices start from $2,499 NZDSave up to $4,355 NZD

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
$2,499 NZD