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Oval|Lab Grown|IGI

5.50ct G SI1 Oval Lab Grown Diamond

GD • G/SI1 • IGI LG557249995

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG557249995

Diamond specifications and retailer prices

From $647 USD
As of October 29, 2026
Save $5,093 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,740 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.5ct lab-grown oval diamond

This 5.5ct lab-grown oval sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG557249995 or 557249995. Listed at 14 retailers as of October 29, 2026, with prices from $647 to $5,740, a $5,093 spread on the same certified stone. Do Amore Diamonds lists it at $5,740. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.50
Carat
G
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557249995
Dimensions13.99 × 10.03 × 6.28 mm
L/W Ratio1.39
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
13.99 mm10.03 mm5.50 ctG / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557249995
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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: $944 USD|Low: $621 USD|High: $5,820 USD|Avg: $1,536 USD|-0.7%
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
October 30, 2026
Retailer 10$647 USD
Retailer 5$703 USD
Retailer 4$750 USD
Retailer 12$750 USD
Retailer 1$944 USD
Retailer 13$1,224 USD
Retailer 7$1,225 USD
Retailer 3$1,229 USD
Retailer 6$1,327 USD
Retailer 9$1,916 USD
Retailer 2$2,328 USD
Retailer 11$3,235 USD
Retailer 8$3,269 USD

35 data points across 13 retailers

14 retailers$647 USD to $5,740 USD

A
Cheapest Retailer
-
$647 USD
B+
Retailer 2
-
$703 USD
View
B+
Retailer 3
-
$750 USD
View
Retailer 4
-
$750 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$944 USD
£743 GBP
View
B
Retailer 6
-
$1,224 USD
View
B+
Retailer 7
-
$1,225 USD
View
B+
Retailer 8
-
$1,229 USD
View
B+
Retailer 9
-
$1,327 USD
£1,045 GBP
View
B
Retailer 10
-
$1,730 USD
View
B
Retailer 11
-
$1,916 USD
View
B
Retailer 12
-
$2,328 USD
View
B
Retailer 13
-
$3,269 USD
£2,574 GBP
View
Most Expensive
C
Do Amore Diamonds
27-A8A000A19 · Oct 31
$5,740 USD
View
13 more retailers have this diamond
Prices start from $647 USDSave up to $5,093 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
5.50ct Oval
$647 USD