Round|Lab Grown|GIA

12.05ct E VS2 Round Lab Grown Diamond

EX • E/VS2 • GIA 5231021488

Certificate GIA 5231021488

Diamond specifications and retailer prices

From $8,225 USD
As of October 29, 2026
Save $19,715 USD (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $27,940 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.05ct lab-grown round diamond

This 12.05ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 5231021488. Listed at 14 retailers as of October 29, 2026, with prices from $8,225 to $27,940, a $19,715 spread on the same certified stone. Brilliant Earth lists it at $27,940. 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

12.05
Carat
E
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 5231021488
Dimensions14.80 × 14.78 × 9.00 mm
L/W Ratio1.00
Star length45%
Lower girdle75%
Top View
14.80 mm14.78 mm12.05 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231021488
Side View
Table 58.0%Crown 34°Girdle: MED-MEDPavilion 41°Culet: NoneDepth 60.9%

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 29
Current: $27,940 USD|Low: $6,890 USD|High: $51,320 USD|Avg: $19,143 USD|-3.5%
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
October 31, 2026
Retailer 12$6,890 USD
Retailer 14$8,225 USD
Retailer 3$8,554 USD
Retailer 17$8,594 USD
Retailer 15$10,473 USD
Retailer 10$10,475 USD
Retailer 13$10,612 USD
Retailer 4$11,843 USD
Retailer 2$16,736 USD
Retailer 7$16,936 USD
Retailer 16$17,038 USD
Retailer 9$20,223 USD
Retailer 11$25,706 USD
Retailer 5$27,517 USD
Brilliant Earth$27,940 USD
Retailer 8$40,901 USD
Retailer 6$51,320 USD

27 data points across 17 retailers

14 retailers$8,225 USD to $27,940 USD

Retailer 1
-
$6,890 USD
Price last confirmed 14 days ago
B+
Retailer 2
-
$8,225 USD
View
B+
Retailer 3
-
$8,554 USD
View
B+
Retailer 4
-
$8,594 USD
View
B+
Retailer 5
-
$10,473 USD
View
B+
Retailer 6
-
$10,475 USD
View
B+
Retailer 7
-
$10,612 USD
View
B
Retailer 8
-
$11,843 USD
View
B
Retailer 9
-
$16,736 USD
€15,939 EUR
View
Retailer 10
-
$17,038 USD
A$26,213 AUD
View
Price last confirmed 31 days ago
B
Retailer 11
-
$25,706 USD
View
B
Retailer 12
-
$27,517 USD
View
Most Expensive
B
Brilliant Earth
16301247A · Oct 31
$27,940 USD
View
12 more retailers have this diamond
Prices start from $8,225 USDSave up to $19,715 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+
12.05ct Round
$8,225 USD