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Round|Lab Grown|IGI

12.45ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG690526732

Shape and cutting style on the report: Round brilliant

Certificate IGI LG690526732

Diamond specifications and retailer prices

From $4,011 USD
As of October 29, 2026
Save $25,629 USD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $29,640 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.45ct lab-grown round diamond

This 12.45ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG690526732 or 690526732. Listed at 23 retailers as of October 29, 2026, with prices from $4,011 to $29,640, a $25,629 spread on the same certified stone. Brilliant Earth lists it at $29,640. 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

12.45
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG690526732
Dimensions14.87 × 14.91 × 9.12 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.87 mm14.91 mm12.45 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG690526732
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $29,640 USD|Low: $4,011 USD|High: $29,640 USD|Avg: $9,455 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
Retailer 7
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Retailer 21
November 1, 2026
Retailer 7$4,011 USD
Retailer 21$4,203 USD
Retailer 3$4,491 USD
Retailer 6$4,653 USD
Retailer 17$4,655 USD
Retailer 4$4,754 USD
Retailer 10$5,491 USD
Retailer 5$5,590 USD
Retailer 9$5,814 USD
Retailer 13$6,084 USD
Retailer 18$6,555 USD
Retailer 16$7,201 USD
Retailer 15$7,396 USD
Retailer 19$8,768 USD
Retailer 8$9,845 USD
Retailer 20$10,489 USD
Retailer 2$11,962 USD
Retailer 11$12,922 USD
Retailer 12$15,902 USD
Retailer 14$16,511 USD
Brilliant Earth$29,640 USD

39 data points across 21 retailers

23 retailers$4,011 USD to $29,640 USD

A
Cheapest Retailer
-
$4,011 USD
A
Retailer 2
-
$4,203 USD
View
A
Retailer 3
-
$4,491 USD
View
Final sale: no returns
A
Retailer 4
-
$4,653 USD
View
A
Retailer 5
-
$4,655 USD
View
A
Retailer 6
-
$4,754 USD
View
Retailer 7
-
$5,306 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
$5,491 USD
HK$42,900 HKD
View
A
Retailer 9
-
$5,590 USD
View
A
Retailer 10
-
$5,814 USD
View
A
Retailer 11
-
$6,084 USD
£4,791 GBP
View
A
Retailer 12
-
$6,555 USD
View
B+
Retailer 13
-
$7,201 USD
ZAR 116,336 ZAR
View
B+
Retailer 14
-
$7,396 USD
€7,044 EUR
View
B+
Retailer 15
-
$8,747 USD
View
Retailer 16
-
$8,768 USD
A$13,489 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$9,845 USD
View
B+
Retailer 18
-
$10,489 USD
View
Retailer 19
-
$11,962 USD
A$18,403 AUD
View
B
Retailer 20
-
$12,922 USD
View
B
Retailer 21
-
$15,902 USD
SGD 21,489 SGD
View
B
Retailer 22
-
$16,511 USD
View
Most Expensive
B
Brilliant Earth
20264486A · Oct 31
$29,640 USD
View
22 more retailers have this diamond
Prices start from $4,011 USDSave up to $25,629 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.

A
12.45ct Round
$4,011 USD