Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

VG • D/SI1 • GIA 6212215254

Certificate GIA 6212215254

Diamond specifications and retailer prices

From $3,737 USD
As of October 30, 2026
Save $6,149 USD (62%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,886 USD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6212215254. Listed at 19 retailers as of October 29, 2026, with prices from $3,737 to $9,886, a $6,149 spread on the same certified stone. Diamond Quarter lists it at $9,886. 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

1.02
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6212215254
Dimensions6.39 × 6.35 × 3.99 mm
L/W Ratio1.01
Top View
6.39 mm6.35 mm1.02 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6212215254
Side View
Table 58.0%Crown 36°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,098 USD|Low: $3,825 USD|High: $7,187 USD|Avg: $4,714 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6$3,825 USD
Retailer 7$3,919 USD
Retailer 9$4,035 USD
Retailer 1$4,098 USD
Retailer 2$4,317 USD
Retailer 8$4,529 USD
Retailer 3$4,544 USD
Retailer 4$5,171 USD
Retailer 5$7,111 USD

38 data points across 9 retailers

19 retailers$3,737 USD to $9,886 USD

B+
Cheapest Retailer
-
$3,737 USD
Retailer 2
-
$3,825 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$3,919 USD
View
Final sale: no returns
B+
Retailer 4
-
$4,035 USD
View
B+
Retailer 5
-
$4,098 USD
£3,227 GBP
View
Retailer 6
-
$4,246 USD
View
Price last confirmed 32 days ago
B+
Retailer 7
-
$4,246 USD
View
Retailer 8
-
$4,246 USD
View
Price last confirmed 31 days ago
B+
Retailer 9
-
$4,317 USD
£3,399 GBP
View
Retailer 10
-
$4,529 USD
A$6,968 AUD
View
Price last confirmed 21 days ago
B+
Retailer 11
-
$4,544 USD
€4,328 EUR
View
Retailer 12
-
$4,900 USD
View
Price last confirmed 31 days ago
B
Retailer 13
-
$4,900 USD
View
B
Retailer 14
-
$5,171 USD
ZAR 83,537 ZAR
View
B
Retailer 15
-
$5,779 USD
€5,504 EUR
View
B
Retailer 16
-
$7,111 USD
£5,599 GBP
View
Retailer 17
-
$7,398 USD
View
Price last confirmed 33 days ago
B
Retailer 18
-
$7,398 USD
View
Most Expensive
B
Diamond Quarter
1.02SI1D62540785N · Oct 29
$9,886 USD
£7,784 GBP
View
18 more retailers have this diamond
Prices start from $3,737 USDSave up to $6,149 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.

B+
1.02ct Round
$3,737 USD