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Round|Lab Grown|IGI

8.43ct E VS2 Round Lab Grown Diamond

EX • E/VS2 • IGI LG677506353

Shape and cutting style on the report: Round brilliant

Certificate IGI LG677506353

Diamond specifications and retailer prices

From $1,682 USD
As of October 29, 2026
Save $5,165 USD (75%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $18,090 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 8.43ct lab-grown round diamond

This 8.43ct 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 IGI LG677506353 or 677506353. Listed at 22 retailers as of October 29, 2026, with a 307% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

8.43
Carat
E
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677506353
Dimensions12.88 × 12.92 × 8.04 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
12.88 mm12.92 mm8.43 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677506353
Side View
Table 57.0%Crown 35.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.3%

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: $18,090 USD|Low: $1,676 USD|High: $18,100 USD|Avg: $4,254 USD|-0.1%
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 18$1,682 USD
Retailer 4$1,830 USD
Retailer 3$1,883 USD
Retailer 9$1,951 USD
Retailer 19$1,951 USD
Retailer 11$2,120 USD
Retailer 5$2,436 USD
Retailer 2$2,445 USD
Retailer 13$2,755 USD
Retailer 21$3,066 USD
Retailer 10$3,106 USD
Retailer 16$3,470 USD
Retailer 20$3,657 USD
Retailer 12$4,039 USD
Retailer 7$4,672 USD
Retailer 8$5,258 USD
Retailer 15$5,602 USD
Retailer 6$5,647 USD
Retailer 17$5,880 USD
Retailer 14$6,847 USD
Brilliant Earth$18,090 USD

31 data points across 21 retailers

22 retailers$1,682 USD to $6,847 USD

A
Cheapest Retailer
-
$1,682 USD
A
Retailer 2
-
$1,830 USD
View
A
Retailer 3
-
$1,883 USD
View
Final sale: no returns
A
Retailer 4
-
$1,951 USD
View
Retailer 5
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$1,951 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$2,120 USD
View
A
Retailer 7
-
$2,436 USD
View
A
Retailer 8
-
$2,445 USD
£1,925 GBP
View
A
Retailer 9
-
$2,755 USD
£2,169 GBP
View
Retailer 10
-
$3,066 USD
View
Price last confirmed 7 days ago
A
Retailer 11
-
$3,106 USD
View
B+
Retailer 12
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$3,470 USD
€3,305 EUR
View
Retailer 13
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$3,581 USD
View
Price last confirmed 44 days ago
B+
Retailer 14
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$3,657 USD
View
B+
Retailer 15
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$4,039 USD
£3,180 GBP
View
B+
Retailer 16
-
$4,672 USD
View
B+
Retailer 17
-
$5,258 USD
View
B+
Retailer 18
-
$5,602 USD
£4,411 GBP
View
B
Retailer 19
-
$5,647 USD
View
B
Retailer 20
-
$5,880 USD
View
B
Retailer 21
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$6,847 USD
View
Most Expensive
Brilliant Earth
16242823A · Oct 29
$18,090 USD
View
Price under review
21 more retailers have this diamond
Prices start from $1,682 USDSave up to $5,165 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
8.43ct Round
$1,682 USD