Round|Lab Grown|GIA

3.55ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 1499934965

Certificate GIA 1499934965

Diamond specifications and retailer prices

From $889 USD
As of October 29, 2026
Save $4,661 USD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,900 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.55ct lab-grown round diamond

This 3.55ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1499934965. Listed at 12 retailers as of October 29, 2026, with a 524% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.55
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 1499934965
Dimensions9.78 × 9.83 × 5.96 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Culet sizeNone
Top View
9.78 mm9.83 mm3.55 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1499934965
Side View
Table 60.0%Crown 34.5°Girdle: MTS-MTSPavilion 41°Culet: NoneDepth 60.8%

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: Oct 29
Current: $7,900 USD|Low: $766 USD|High: $8,160 USD|Avg: $2,660 USD|-3.2%
Do Amore Diamonds
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 11$889 USD
Retailer 9$968 USD
Retailer 3$1,007 USD
Retailer 2$1,631 USD
Retailer 13$1,657 USD
Retailer 8$1,660 USD
Retailer 4$1,680 USD
Retailer 5$1,992 USD
Retailer 12$2,135 USD
Retailer 10$2,295 USD
Retailer 6$3,882 USD
Retailer 7$4,080 USD
Do Amore Diamonds$7,900 USD

37 data points across 13 retailers

12 retailers$889 USD to $5,550 USD

A
Cheapest Retailer
-
$889 USD
A
Retailer 2
-
$968 USD
View
A
Retailer 3
-
$1,007 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,631 USD
£1,284 GBP
View
B+
Retailer 5
-
$1,657 USD
View
B+
Retailer 6
-
$1,660 USD
View
B
Retailer 7
-
$2,135 USD
View
B
Retailer 8
-
$2,295 USD
View
B
Retailer 9
-
$3,882 USD
£3,057 GBP
View
B
Retailer 10
-
$4,080 USD
View
B
Retailer 11
-
$5,550 USD
View
Most Expensive
Do Amore Diamonds
27-7228F3CFA · Oct 31
$7,900 USD
View
Price under review
11 more retailers have this diamond
Prices start from $889 USDSave up to $4,661 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
3.55ct Round
$889 USD