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Round|Lab Grown|IGI

5.71ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG770665499

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770665499

Diamond specifications and retailer prices

From £1,043 GBP
$1,398 USD
As of October 29, 2026
Save £3,360 GBP (76%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £4,467 GBP at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 5.71ct lab-grown round diamond

This 5.71ct lab-grown round sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770665499 or 770665499. Listed at 24 retailers as of October 29, 2026, with a 322% 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

5.71
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770665499
Dimensions11.53 × 11.60 × 6.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.53 mm11.60 mm5.71 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770665499
Side View
Table 59.0%Crown 32.8°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.5%

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: Oct 29
Current: £4,467 GBP|Low: £1,043 GBP|High: £11,911 GBP|Avg: £2,697 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 10£1,043 GBP
Retailer 16£1,168 GBP
Retailer 3£1,211 GBP
Retailer 6£1,261 GBP
Retailer 19£1,455 GBP
Retailer 13£1,589 GBP
Retailer 15£1,701 GBP
Retailer 9£1,731 GBP
Retailer 20£2,189 GBP
Retailer 4£2,269 GBP
Retailer 12£2,286 GBP
Retailer 17£2,460 GBP
Retailer 11£2,558 GBP
Retailer 5£2,667 GBP
Retailer 7£3,262 GBP
Retailer 18£3,476 GBP
Retailer 8£4,258 GBP
Retailer 14£4,403 GBP
Rare Carat£4,467 GBP
Retailer 2£6,553 GBP

25 data points across 20 retailers

24 retailers£1,043 GBP to £4,403 GBP

A
Cheapest Retailer
-
£1,043 GBP
$1,398 USD
A
Retailer 2
-
£1,168 GBP
$1,565 USD
View
Final sale: no returns
A
Retailer 3
-
£1,181 GBP
$1,583 USD
View
A
Retailer 4
-
£1,211 GBP
$1,622 USD
View
Retailer 5
-
£1,260 GBP
$1,688 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
£1,261 GBP
$1,690 USD
View
A
Retailer 7
-
£1,455 GBP
$1,949 USD
View
B+
Retailer 8
-
£1,589 GBP
View
B+
Retailer 9
-
£1,701 GBP
View
B+
Retailer 10
-
£1,731 GBP
$2,320 USD
View
B+
Retailer 11
-
£2,027 GBP
$2,716 USD
View
B+
Retailer 12
-
£2,189 GBP
€2,793 EUR
View
B+
Retailer 13
-
£2,269 GBP
$3,040 USD
View
Retailer 14
-
£2,286 GBP
$3,063 USD
View
Price last confirmed 14 days ago
B+
Retailer 15
-
£2,460 GBP
ZAR 53,240 ZAR
View
Retailer 16
-
£2,558 GBP
A$5,272 AUD
View
Price last confirmed 8 days ago
B
Retailer 17
-
£2,667 GBP
$3,574 USD
View
B
Retailer 18
-
£3,132 GBP
$4,196 USD
View
B
Retailer 19
-
£3,262 GBP
$4,371 USD
View
B
Retailer 20
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£3,476 GBP
View
B
Retailer 21
-
£4,258 GBP
$5,705 USD
View
B
Retailer 22
-
£4,403 GBP
$5,900 USD
View
Most Expensive
Rare Carat
CKCR205-57 · Oct 18
£4,467 GBP
$5,985 USD
View
Price last confirmed 12 days ago
22 more retailers have this diamond
Prices start from £1,043 GBPSave up to £3,360 GBP

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
5.71ct Round
£1,043 GBP