Heart|Lab Grown|GIA

6.12ct D IF Heart Lab Grown Diamond

EX • D/IF • GIA 7511728165

Certificate GIA 7511728165

Diamond specifications and retailer prices

From €16,420 EUR
$18,345 USD
As of November 1, 2026
Save €33,703 EUR (67%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €50,124 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 6.12ct lab-grown heart diamond

This 6.12ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7511728165. Listed at 21 retailers as of October 31, 2026, with prices from €16,420 to €50,124, a €33,703 spread on the same certified stone. Taylor and Hart lists it at €50,124. 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

6.12
Carat
D
Color
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 7511728165
Dimensions11.33 × 12.48 × 7.40 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This is a man-made diamond.
Key to symbols
Minor Details of Polish
Top View
11.33 mm12.48 mm6.12 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7511728165
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.2%

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 1
Current: €39,997 EUR|Low: €11,905 EUR|High: €89,795 EUR|Avg: €32,000 EUR|-0.2%
Retailer 1
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
Retailer 18
Taylor and Hart
November 1, 2026
Retailer 9€11,905 EUR
Retailer 10€15,802 EUR
Retailer 3€16,420 EUR
Retailer 17€16,690 EUR
Retailer 16€17,091 EUR
Retailer 6€17,104 EUR
Retailer 2€18,587 EUR
Retailer 4€18,691 EUR
Retailer 18€19,361 EUR
Retailer 7€19,594 EUR
Retailer 14€32,981 EUR
Retailer 12€36,620 EUR
Retailer 1€39,997 EUR
Retailer 13€41,354 EUR
Retailer 5€49,376 EUR
Taylor and Hart€50,124 EUR
Retailer 11€62,437 EUR
Retailer 8€76,942 EUR
Retailer 15€89,795 EUR

28 data points across 19 retailers

21 retailers€16,420 EUR to €50,124 EUR

A
Cheapest Retailer
-
€16,420 EUR
$18,345 USD
A
Retailer 2
-
€16,690 EUR
$18,646 USD
View
A
Retailer 3
-
€16,690 EUR
$18,646 USD
View
A
Retailer 4
-
€17,091 EUR
$19,094 USD
View
A
Retailer 5
-
€17,104 EUR
CA$26,540 CAD
View
A
Retailer 6
-
€18,587 EUR
$20,766 USD
View
A
Retailer 7
-
€18,691 EUR
$20,882 USD
View
Final sale: no returns
A
Retailer 8
-
€19,361 EUR
$21,630 USD
View
Retailer 9
-
€19,594 EUR
$21,890 USD
View
Price last confirmed 13 days ago
B+
Retailer 10
-
€30,403 EUR
$33,966 USD
View
B+
Retailer 11
-
€32,981 EUR
£29,013 GBP
View
B+
Retailer 12
-
€36,620 EUR
View
B+
Retailer 13
-
€39,997 EUR
A$68,746 AUD
View
B+
Retailer 14
-
€41,354 EUR
ZAR 746,387 ZAR
View
B
Retailer 15
-
€49,376 EUR
$55,163 USD
View
Most Expensive
B
Taylor and Hart
H79J5GM · Oct 31
€50,124 EUR
$55,998 USD
View
15 more retailers have this diamond
Prices start from €16,420 EURSave up to €33,703 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.

A
6.12ct Heart
€16,420 EUR