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Round|Lab Grown|IGI

15.56ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG714503973

Shape and cutting style on the report: Round brilliant

Certificate IGI LG714503973

Diamond specifications and retailer prices

From €5,673 EUR
£5,010 GBP
As of November 2, 2026
Save €21,378 EUR (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €27,051 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 15.56ct lab-grown round diamond

This 15.56ct 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 LG714503973 or 714503973. Listed at 18 retailers as of November 2, 2026, with prices from €5,673 to €27,051, a €21,378 spread on the same certified stone. Brilliant Earth lists it at €27,051. 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
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG714503973
Dimensions16.05 × 15.99 × 9.89 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
16.05 mm15.99 mm15.56 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG714503973
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.8%

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 2
Current: €27,051 EUR|Low: €5,671 EUR|High: €27,826 EUR|Avg: €10,611 EUR|-2.8%
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
November 2, 2026
Retailer 11€5,673 EUR
Retailer 18€6,089 EUR
Retailer 10€6,333 EUR
Retailer 8€6,696 EUR
Retailer 3€7,063 EUR
Retailer 6€7,063 EUR
Retailer 15€7,066 EUR
Retailer 16€8,064 EUR
Retailer 17€8,119 EUR
Retailer 5€8,186 EUR
Retailer 7€8,385 EUR
Retailer 12€8,842 EUR
Retailer 14€10,934 EUR
Retailer 2€11,728 EUR
Retailer 13€13,490 EUR
Retailer 4€14,453 EUR
Retailer 9€24,178 EUR
Brilliant Earth€27,051 EUR

34 data points across 18 retailers

18 retailers€5,673 EUR to €27,051 EUR

A
Cheapest Retailer
-
€5,673 EUR
£5,010 GBP
A
Retailer 2
-
€6,089 EUR
$6,830 USD
View
A
Retailer 3
-
€6,333 EUR
$7,103 USD
View
B+
Retailer 4
-
€6,696 EUR
$7,510 USD
View
B+
Retailer 5
-
€7,063 EUR
$7,922 USD
View
Retailer 6
-
€7,063 EUR
$7,922 USD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
€7,066 EUR
$7,925 USD
View
Retailer 8
-
€8,064 EUR
$9,045 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
€8,119 EUR
$9,106 USD
View
B+
Retailer 10
-
€8,186 EUR
$9,182 USD
View
B+
Retailer 11
-
€8,385 EUR
$9,405 USD
View
B+
Retailer 12
-
€8,842 EUR
£7,809 GBP
View
B+
Retailer 13
-
€10,934 EUR
ZAR 198,116 ZAR
View
B
Retailer 14
-
€11,728 EUR
View
B
Retailer 15
-
€13,490 EUR
A$23,277 AUD
View
B
Retailer 16
-
€14,453 EUR
$16,210 USD
View
B
Retailer 17
-
€24,178 EUR
$27,118 USD
View
Most Expensive
B
Brilliant Earth
14620564A · Nov 2
€27,051 EUR
$30,340 USD
View
17 more retailers have this diamond
Prices start from €5,673 EURSave up to €21,378 EUR

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
€5,673 EUR