CaratHunter
Plans
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 $5,710 AUD
$4,011 USD
As of October 29, 2026
Save $36,485 AUD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $42,196 AUD 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 $5,710 to $42,196, a $36,485 spread on the same certified stone. Brilliant Earth lists it at $42,196. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $42,196 AUD|Low: $5,710 AUD|High: $42,196 AUD|Avg: $13,459 AUD
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 7$5,710 AUD
Retailer 21$5,983 AUD
Retailer 3$6,393 AUD
Retailer 6$6,624 AUD
Retailer 17$6,627 AUD
Retailer 4$6,768 AUD
Retailer 10$7,817 AUD
Retailer 5$7,958 AUD
Retailer 9$8,277 AUD
Retailer 13$8,661 AUD
Retailer 18$9,332 AUD
Retailer 16$10,252 AUD
Retailer 15$10,529 AUD
Retailer 19$12,482 AUD
Retailer 8$14,015 AUD
Retailer 20$14,932 AUD
Retailer 2$17,029 AUD
Retailer 11$18,396 AUD
Retailer 12$22,638 AUD
Retailer 14$23,505 AUD
Brilliant Earth$42,196 AUD

39 data points across 21 retailers

23 retailers$5,710 AUD to $42,196 AUD

A
Cheapest Retailer
-
$5,710 AUD
$4,011 USD
A
Retailer 2
-
$5,983 AUD
$4,203 USD
View
A
Retailer 3
-
$6,393 AUD
$4,491 USD
View
Final sale: no returns
A
Retailer 4
-
$6,624 AUD
$4,653 USD
View
A
Retailer 5
-
$6,627 AUD
$4,655 USD
View
A
Retailer 6
-
$6,768 AUD
$4,754 USD
View
Retailer 7
-
$7,554 AUD
$5,306 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
$7,817 AUD
HK$42,900 HKD
View
A
Retailer 9
-
$7,958 AUD
$5,590 USD
View
A
Retailer 10
-
$8,277 AUD
$5,814 USD
View
A
Retailer 11
-
$8,661 AUD
£4,791 GBP
View
A
Retailer 12
-
$9,332 AUD
$6,555 USD
View
B+
Retailer 13
-
$10,252 AUD
ZAR 116,336 ZAR
View
B+
Retailer 14
-
$10,529 AUD
€7,044 EUR
View
B+
Retailer 15
-
$12,452 AUD
$8,747 USD
View
Retailer 16
-
$12,482 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$14,015 AUD
$9,845 USD
View
B+
Retailer 18
-
$14,932 AUD
$10,489 USD
View
Retailer 19
-
$17,029 AUD
View
B
Retailer 20
-
$18,396 AUD
$12,922 USD
View
B
Retailer 21
-
$22,638 AUD
SGD 21,489 SGD
View
B
Retailer 22
-
$23,505 AUD
$16,511 USD
View
Most Expensive
B
Brilliant Earth
20264486A · Oct 31
$42,196 AUD
$29,640 USD
View
22 more retailers have this diamond
Prices start from $5,710 AUDSave up to $36,485 AUD

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
$5,710 AUD