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Round|Lab Grown|IGI

1.10ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG818644485

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644485

Diamond specifications and retailer prices

From $161 USD
As of October 29, 2026
Save $908 USD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,069 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.1ct lab-grown round diamond

This 1.1ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818644485 or 818644485. Listed at 19 retailers as of October 29, 2026, with prices from $161 to $1,069, a $908 spread on the same certified stone. Reve Diamonds lists it at $1,069. 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

1.10
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644485
Dimensions6.61 × 6.58 × 4.09 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.61 mm6.58 mm1.10 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644485
Side View
Table 57.0%Crown 34.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
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 29
Current: $351 USD|Low: $154 USD|High: $944 USD|Avg: $410 USD|+6.5%
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 31, 2026
Retailer 11$161 USD
Retailer 7$179 USD
Retailer 4$187 USD
Retailer 3$200 USD
Retailer 13$270 USD
Retailer 1$351 USD
Retailer 9$375 USD
Retailer 6$395 USD
Retailer 12$450 USD
Retailer 10$519 USD
Retailer 2$610 USD
Retailer 5$641 USD
Retailer 8$937 USD

43 data points across 13 retailers

19 retailers$161 USD to $1,069 USD

A
Cheapest Retailer
-
$161 USD
A
Retailer 2
-
$179 USD
View
Final sale: no returns
A
Retailer 3
-
$187 USD
View
A
Retailer 4
-
$200 USD
View
A
Retailer 5
-
$200 USD
View
A
Retailer 6
-
$230 USD
HK$1,800 HKD
View
B+
Retailer 7
-
$270 USD
View
A
Retailer 8
-
$322 USD
View
A
Retailer 9
-
$351 USD
£276 GBP
View
B+
Retailer 10
-
$375 USD
€357 EUR
View
B+
Retailer 11
-
$395 USD
£311 GBP
View
Retailer 12
-
$450 USD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
$519 USD
View
B
Retailer 14
-
$610 USD
View
B
Retailer 15
-
$641 USD
View
B
Retailer 16
-
$657 USD
SGD 888 SGD
View
B
Retailer 17
-
$696 USD
View
B
Retailer 18
-
$937 USD
£738 GBP
View
Most Expensive
B
Reve Diamonds
F0ADF24F4 · Oct 30
$1,069 USD
View
18 more retailers have this diamond
Prices start from $161 USDSave up to $908 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
1.10ct Round
$161 USD