Round|Lab Grown|IGI

5.51ct D VVS2 Round Lab Grown Diamond

EX • D/VVS2 • IGI LG816647288

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816647288

Diamond specifications and retailer prices

From $1,512 USD
As of October 31, 2026
Save $4,216 USD (74%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,115 USD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 5.51ct lab-grown round diamond

This 5.51ct lab-grown round sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816647288 or 816647288. Listed at 19 retailers as of October 31, 2026, with a 279% 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

5.51
Carat
D
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816647288
Dimensions11.32 × 11.22 × 6.90 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.32 mm11.22 mm5.51 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816647288
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $6,115 USD|Low: $1,512 USD|High: $18,060 USD|Avg: $4,458 USD
Rare Carat
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
October 31, 2026
Retailer 11$1,512 USD
Retailer 4$1,630 USD
Retailer 14$1,973 USD
Retailer 16$2,214 USD
Retailer 6$2,506 USD
Retailer 12$2,839 USD
Retailer 13$2,937 USD
Retailer 3$3,202 USD
Retailer 7$3,238 USD
Retailer 9$3,787 USD
Retailer 2$4,221 USD
Retailer 5$5,090 USD
Retailer 10$5,504 USD
Retailer 15$5,728 USD
Rare Carat$6,115 USD
Retailer 8$18,050 USD

21 data points across 16 retailers

19 retailers$1,512 USD to $5,728 USD

Retailer 1
-
$1,475 USD
Price last confirmed 39 days ago
A
Retailer 2
-
$1,512 USD
View
Final sale: no returns
A
Retailer 3
-
$1,630 USD
View
Retailer 4
-
$1,697 USD
View
Price last confirmed 39 days ago
A
Retailer 5
-
$1,973 USD
View
B+
Retailer 6
-
$2,214 USD
£1,743 GBP
View
Retailer 7
-
$2,506 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,839 USD
€2,704 EUR
View
B+
Retailer 9
-
$2,937 USD
View
B+
Retailer 10
-
$3,202 USD
ZAR 51,729 ZAR
View
Retailer 11
-
$3,225 USD
View
Price last confirmed 40 days ago
Retailer 12
-
$3,238 USD
A$4,982 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$3,787 USD
View
B+
Retailer 14
-
$4,221 USD
View
B
Retailer 15
-
$5,090 USD
£4,008 GBP
View
B
Retailer 16
-
$5,504 USD
View
B
Retailer 17
-
$5,728 USD
View
Most Expensive
Rare Carat
CN192-6A · Oct 18
$6,115 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from $1,512 USDSave up to $4,216 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
5.51ct Round
$1,512 USD