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Round|Lab Grown|IGI

28.34ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG729533441

Shape and cutting style on the report: Round brilliant

Certificate IGI LG729533441

Diamond specifications and retailer prices

From $19,304 USD
As of October 31, 2026
Save $38,346 USD (67%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $57,650 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 28.34ct lab-grown round diamond

This 28.34ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG729533441 or 729533441. Listed at 13 retailers as of October 29, 2026, with prices from $19,304 to $57,650, a $38,346 spread on the same certified stone. Brilliant Earth lists it at $57,650. 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

28.34
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729533441
Dimensions19.45 × 19.40 × 12.07 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
19.45 mm19.40 mm28.34 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729533441
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

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 31
Current: $57,650 USD|Low: $19,304 USD|High: $79,336 USD|Avg: $37,633 USD|-10.5%
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
October 31, 2026
Retailer 13$19,304 USD
Retailer 9$21,308 USD
Retailer 3$21,413 USD
Retailer 8$24,351 USD
Retailer 11$24,426 USD
Retailer 12$24,717 USD
Retailer 6$25,613 USD
Retailer 5$32,316 USD
Retailer 4$35,457 USD
Retailer 2$41,757 USD
Retailer 7$46,323 USD
Retailer 10$53,289 USD
Brilliant Earth$57,650 USD

25 data points across 13 retailers

13 retailers$19,304 USD to $57,650 USD

B+
Cheapest Retailer
-
$19,304 USD
B+
Retailer 2
-
$21,308 USD
View
B+
Retailer 3
-
$21,413 USD
View
B
Retailer 4
-
$24,351 USD
View
B
Retailer 5
-
$24,426 USD
View
Retailer 6
-
$24,717 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$24,717 USD
View
B+
Retailer 8
-
$25,613 USD
£20,168 GBP
View
Retailer 9
-
$35,457 USD
View
Price last confirmed 73 days ago
B
Retailer 10
-
$41,757 USD
€39,769 EUR
View
Retailer 11
-
$46,323 USD
A$71,266 AUD
View
Price last confirmed 8 days ago
B
Retailer 12
-
$53,289 USD
View
Most Expensive
B
Brilliant Earth
15635036A · Oct 29
$57,650 USD
View
12 more retailers have this diamond
Prices start from $19,304 USDSave up to $38,346 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+
28.34ct Round
$19,304 USD