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Round|Lab Grown|IGI

28.64ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG743546787

Shape and cutting style on the report: Round brilliant

Certificate IGI LG743546787

Diamond specifications and retailer prices

From $18,630 USD
£14,669 GBP
As of October 30, 2026
Save $39,620 USD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $58,250 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 28.64ct lab-grown round diamond

This 28.64ct 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 LG743546787 or 743546787. Listed at 16 retailers as of October 30, 2026, with prices from $18,630 to $58,250, a $39,620 spread on the same certified stone. Brilliant Earth lists it at $58,250. 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

28.64
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743546787
Dimensions19.49 × 19.45 × 12.15 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
19.49 mm19.45 mm28.64 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743546787
Side View
Table 57.0%Crown 35.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $58,250 USD|Low: $18,567 USD|High: $88,318 USD|Avg: $37,652 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
Retailer 14
Retailer 15
October 31, 2026
Retailer 9$18,630 USD
Retailer 3$19,506 USD
Retailer 12$21,531 USD
Retailer 4$21,635 USD
Retailer 5$21,703 USD
Retailer 11$24,607 USD
Retailer 14$24,682 USD
Retailer 6$24,976 USD
Retailer 15$24,976 USD
Retailer 8$25,883 USD
Retailer 2$42,200 USD
Retailer 7$45,719 USD
Retailer 10$46,804 USD
Retailer 13$54,343 USD
Brilliant Earth$58,250 USD

43 data points across 15 retailers

16 retailers$18,630 USD to $58,250 USD

B+
Cheapest Retailer
-
$18,630 USD
£14,669 GBP
B+
Retailer 2
-
$19,506 USD
View
B+
Retailer 3
-
$21,531 USD
View
B+
Retailer 4
-
$21,635 USD
View
B+
Retailer 5
-
$21,703 USD
View
B
Retailer 6
-
$24,607 USD
View
B
Retailer 7
-
$24,682 USD
View
Retailer 8
-
$24,976 USD
View
Price last confirmed 19 days ago
B
Retailer 9
-
$24,976 USD
View
B
Retailer 10
-
$25,883 USD
£20,381 GBP
View
Retailer 11
-
$35,820 USD
View
Price last confirmed 73 days ago
B
Retailer 12
-
$42,200 USD
€40,190 EUR
View
B
Retailer 13
-
$45,719 USD
View
Final sale: no returns
Retailer 14
-
$46,804 USD
A$72,006 AUD
View
Price last confirmed 9 days ago
B
Retailer 15
-
$54,343 USD
View
Most Expensive
B
Brilliant Earth
16474580A · Oct 31
$58,250 USD
View
15 more retailers have this diamond
Prices start from $18,630 USDSave up to $39,620 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+
28.64ct Round
$18,630 USD