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Round|Lab Grown|GIA

6.09ct D FL Round Lab Grown Diamond

EX • D/FL • GIA 1537494750

Certificate GIA 1537494750

Diamond specifications and retailer prices

From $68,437 NZD
$38,571 USD
As of October 30, 2026
Save $37,395 NZD (35%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $105,832 NZD at Brilliance · As of November 1, 2026
View at Brilliance

About this 6.09ct lab-grown round diamond

This 6.09ct lab-grown round sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1537494750. Listed at 10 retailers as of October 30, 2026, with prices from $68,437 to $105,832, a $37,395 spread on the same certified stone. Brilliance lists it at $105,832. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.09
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 1537494750
Dimensions11.73 × 11.66 × 7.27 mm
L/W Ratio1.01
Culet sizeNone
Top View
11.73 mm11.66 mm6.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1537494750
Side View
Table 56.0%Crown 35.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.2%

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: Oct 30
Current: $105,832 NZD|Low: $68,437 NZD|High: $256,738 NZD|Avg: $112,638 NZD|-15.3%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 9$68,437 NZD
Retailer 4$72,085 NZD
Retailer 10$75,127 NZD
Retailer 7$80,926 NZD
Retailer 3$81,911 NZD
Retailer 11$84,629 NZD
Retailer 5$84,902 NZD
Retailer 6$103,114 NZD
Brilliance$105,832 NZD
Retailer 2$144,585 NZD
Retailer 8$174,328 NZD
Retailer 12$237,721 NZD

26 data points across 12 retailers

10 retailers$68,437 NZD to $105,832 NZD

B+
Cheapest Retailer
-
$68,437 NZD
$38,571 USD
B+
Retailer 2
-
$75,127 NZD
$42,342 USD
View
B+
Retailer 3
-
$80,926 NZD
$45,610 USD
View
B
Retailer 4
-
$84,629 NZD
$47,697 USD
View
B+
Retailer 5
-
$84,902 NZD
£37,678 GBP
View
B
Retailer 6
-
$103,114 NZD
£45,760 GBP
View
Most Expensive
B
Brilliance
D42111494 · Nov 1
$105,832 NZD
$59,647 USD
View
6 more retailers have this diamond
Prices start from $68,437 NZDSave up to $37,395 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+
6.09ct Round
$68,437 NZD