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Round|Lab Grown|IGI

15.56ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG579300073

Shape and cutting style on the report: Round brilliant

Certificate IGI LG579300073

Diamond specifications and retailer prices

From $6,187 USD
As of November 1, 2026
Save $24,373 USD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $42,570 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 15.56ct lab-grown round diamond

This 15.56ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG579300073 or 579300073. Listed at 10 retailers as of October 31, 2026, with a 394% 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

15.56
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579300073
Dimensions16.24 × 16.31 × 9.75 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
16.24 mm16.31 mm15.56 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579300073
Side View
Table 57.0%Crown 33.9°Girdle: MediumPavilion 40.7°Culet: NoneDepth 59.9%

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: Nov 1
Current: $42,570 USD|Low: $5,286 USD|High: $42,570 USD|Avg: $15,446 USD|+3.3%
Do Amore Diamonds
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
November 1, 2026
Retailer 4$5,286 USD
Retailer 11$6,187 USD
Retailer 5$7,689 USD
Retailer 8$8,534 USD
Retailer 7$8,535 USD
Retailer 14$9,405 USD
Retailer 9$9,613 USD
Retailer 10$11,075 USD
Retailer 12$12,519 USD
Retailer 3$13,389 USD
Retailer 2$14,965 USD
Retailer 13$30,560 USD
Retailer 6$36,254 USD
Do Amore Diamonds$42,570 USD

18 data points across 14 retailers

10 retailers$6,187 USD to $30,560 USD

A
Cheapest Retailer
-
$6,187 USD
B+
Retailer 2
-
$8,534 USD
View
B+
Retailer 3
-
$8,535 USD
View
B+
Retailer 4
-
$9,405 USD
View
B+
Retailer 5
-
$9,613 USD
HK$75,100 HKD
View
B+
Retailer 6
-
$11,075 USD
View
B
Retailer 7
-
$12,519 USD
View
B
Retailer 8
-
$14,965 USD
A$23,023 AUD
View
B
Retailer 9
-
$30,560 USD
View
Most Expensive
Do Amore Diamonds
27-488E5D264 · Oct 31
$42,570 USD
View
Price under review
9 more retailers have this diamond
Prices start from $6,187 USDSave up to $24,373 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
15.56ct Round
$6,187 USD