Round|Lab Grown|GIA

6.03ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 6511590703

Certificate GIA 6511590703

Diamond specifications and retailer prices

From €20,919 EUR
$23,371 USD
As of October 31, 2026
Save €11,653 EUR (36%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €32,572 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.03ct lab-grown round diamond

This 6.03ct lab-grown round sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6511590703. Listed at 2 retailers as of October 31, 2026, with prices from €20,919 to €32,572, a €11,653 spread on the same certified stone. Brilliant Earth lists it at €32,572. 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

6.03
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 6511590703
Dimensions11.68 × 11.74 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionFaceted
Cert comments
This is a man-made diamond.
Top View
11.68 mm11.74 mm6.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6511590703
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41°CuletDepth 61.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: €32,572 EUR|Low: €20,919 EUR|High: €36,511 EUR|Avg: €29,034 EUR|-10.8%
Brilliant Earth
Retailer 2
October 18, 2026
Retailer 2€20,919 EUR
Brilliant Earth€32,572 EUR

7 data points across 2 retailers

2 retailers€20,919 EUR to €32,572 EUR

B+
Cheapest Retailer
-
€20,919 EUR
$23,371 USD
Most Expensive
B
Brilliant Earth
21408940Y · Oct 31
€32,572 EUR
$36,390 USD
View
1 more retailer has this diamond
Prices start from €20,919 EURSave up to €11,653 EUR

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+
6.03ct Round
€20,919 EUR