Round|Lab Grown|GIA

12.55ct F VS2 Round Lab Grown Diamond

EX • F/VS2 • GIA 6465165596

Certificate GIA 6465165596

Diamond specifications and retailer prices

From $8,429 USD
As of October 29, 2026
Save $17,271 USD (67%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $25,700 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.55ct lab-grown round diamond

This 12.55ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6465165596. Listed at 13 retailers as of October 29, 2026, with prices from $8,429 to $25,700, a $17,271 spread on the same certified stone. Brilliant Earth lists it at $25,700. 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

12.55
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 6465165596
Dimensions15.03 × 14.94 × 9.20 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
15.03 mm14.94 mm12.55 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6465165596
Side View
Table 56.0%Crown 34.5°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $25,700 USD|Low: $8,169 USD|High: $53,100 USD|Avg: $17,160 USD|-2.8%
Brilliant Earth
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
November 1, 2026
Retailer 15$8,429 USD
Retailer 3$8,766 USD
Retailer 4$9,330 USD
Retailer 7$9,477 USD
Retailer 5$9,532 USD
Retailer 16$10,508 USD
Retailer 11$10,510 USD
Retailer 10$10,876 USD
Retailer 12$11,213 USD
Retailer 13$11,313 USD
Retailer 17$12,138 USD
Retailer 2$16,910 USD
Retailer 6$17,230 USD
Retailer 9$25,584 USD
Brilliant Earth$25,700 USD
Retailer 8$34,888 USD
Retailer 14$52,600 USD

19 data points across 17 retailers

13 retailers$8,429 USD to $25,700 USD

B+
Cheapest Retailer
-
$8,429 USD
B+
Retailer 2
-
$8,766 USD
View
Retailer 3
-
$9,260 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$9,532 USD
View
Final sale: no returns
B
Retailer 5
-
$10,508 USD
View
B+
Retailer 6
-
$10,510 USD
View
B+
Retailer 7
-
$10,876 USD
View
B
Retailer 8
-
$11,213 USD
HK$87,600 HKD
View
B
Retailer 9
-
$11,313 USD
View
B
Retailer 10
-
$12,138 USD
View
B
Retailer 11
-
$16,910 USD
A$26,015 AUD
View
Most Expensive
B
Brilliant Earth
15271263Y · Oct 31
$25,700 USD
View
11 more retailers have this diamond
Prices start from $8,429 USDSave up to $17,271 USD

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+
12.55ct Round
$8,429 USD