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Round|Lab Grown|IGI

27.40ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG770608891

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770608891

Diamond specifications and retailer prices

From €16,711 EUR
$18,670 USD
As of October 31, 2026
Save €33,462 EUR (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €50,173 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 27.4ct lab-grown round diamond

This 27.4ct 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 LG770608891 or 770608891. Listed at 16 retailers as of October 31, 2026, with prices from €16,711 to €50,173, a €33,462 spread on the same certified stone. Taylor and Hart lists it at €50,173. 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

27.40
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770608891
Dimensions19.42 × 19.49 × 11.80 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
19.42 mm19.49 mm27.40 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770608891
Side View
Table 58.0%Crown 34.6°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.7%

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: €40,047 EUR|Low: €15,995 EUR|High: €68,658 EUR|Avg: €30,512 EUR|-0.2%
Retailer 1
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
Taylor and Hart
November 1, 2026
Retailer 9€15,995 EUR
Retailer 3€16,711 EUR
Retailer 11€18,446 EUR
Retailer 4€18,544 EUR
Retailer 5€18,594 EUR
Retailer 10€21,081 EUR
Retailer 13€21,147 EUR
Retailer 2€21,397 EUR
Retailer 7€22,917 EUR
Retailer 6€30,718 EUR
Retailer 8€36,136 EUR
Retailer 1€40,047 EUR
Retailer 12€44,797 EUR
Retailer 14€49,901 EUR
Taylor and Hart€50,173 EUR

34 data points across 15 retailers

16 retailers€16,711 EUR to €50,173 EUR

Retailer 1
-
€15,995 EUR
£14,071 GBP
Price last confirmed 15 days ago
B+
Retailer 2
-
€16,711 EUR
$18,670 USD
View
B+
Retailer 3
-
€18,446 EUR
$20,608 USD
View
B+
Retailer 4
-
€18,544 EUR
$20,717 USD
View
B+
Retailer 5
-
€18,594 EUR
$20,773 USD
View
B
Retailer 6
-
€21,081 EUR
$23,552 USD
View
B
Retailer 7
-
€21,147 EUR
$23,626 USD
View
Retailer 8
-
€21,397 EUR
$23,905 USD
View
Price last confirmed 19 days ago
B
Retailer 9
-
€21,397 EUR
$23,905 USD
View
B
Retailer 10
-
€22,917 EUR
£20,160 GBP
View
Retailer 11
-
€30,718 EUR
$34,319 USD
View
Price last confirmed 74 days ago
B
Retailer 12
-
€36,136 EUR
View
B
Retailer 13
-
€40,047 EUR
A$68,832 AUD
View
B
Retailer 14
-
€44,797 EUR
$50,048 USD
View
B
Retailer 15
-
€49,901 EUR
$55,750 USD
View
Most Expensive
B
Taylor and Hart
AQIMONT · Oct 31
€50,173 EUR
$56,054 USD
View
15 more retailers have this diamond
Prices start from €16,711 EURSave up to €33,462 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.

B+
27.40ct Round
€16,711 EUR